This video is part of Health's My Mantra series. Follow along with new videos on our Instagram page and share your own words of wisdom using #MantraMonday.

Sarah Michelle Gellar knows what it means to be motivated. The actress become a household name in the 1990s when she landed a starring role in Buffy the Vampire Slayer, and she's continued to steadily work in TV and film since.

With a busy career and parenting duties to handle, it's no surprise that she relies on a killer mantra to keep her going. Gellar tells Health why her mantra works for her (check out the video above!), and why she continues to harness its power.

RELATED: Sarah Michelle Gellar Reveals Postpartum Depression Struggle in Health Care Plea

"There was a quote from the musical Chess, the original production, that always stuck with me: ‘You taught me baby, how the few who win acquire, it ain’t practice, it ain’t skill, they’ll help, but not as much as wanting will.’ And I think for me, it encompasses everything, which is that you have to really want something in life to make it happen," explains Gellar.

"It’s not about waiting for something to come to you," she continues. "That if there is something you’re looking to do, something you’re looking to experience, those are moments you need to make happen for yourself."

Honestly, I think I probably use it every day, I remind myself I want to be better. To accomplish different things. To want to be more patient. Whatever those moments are, for me it’s about just keep it at the back of my head," she adds.

RELATED: Sarah Michelle Gellar on Shannen Doherty's Inspiring Breast Cancer Battle: 'That's What Real Bravery Is'

This is the first time Gellar has touched on her personal life. In 2017, the actress opened up about her battle with postpartum depression in an emotional Instagram post, explaining how the disease impacted her daily life. 

“Having kids is wonderful, and life changing, and rarely what you’re prepared for,” Gellar wrote at the time. “I love my children more than anything in the world. But like a lot of women, I too struggled with postpartum depression after my first baby was born.”

“I got help, and made it through, and every day since has been the best gift I could ever have asked for," she wrote. "To those of you going through this, know that you’re not alone and that it really does get better."

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Bad guys, take note: Here’s even more proof you need to be careful who you mess with—and it comes in the form of an 82-year-old bodybuilder.

Willie Murphy, a grandmother who lives in Rochester, New York, recently found herself in danger when an intruder broke into her home. However, instead of leaving with jewelry and money, the criminal left in handcuffs— and with injuries—because he happened to break into the home of an award-winning former bodybuilder.

According to Murphy, she was getting ready for bed Thursday night, after 11 p.m., when she heard a man pounding on her door. “He was outside and saying, ‘Please call an ambulance,’ saying, ‘I’m sick, I’m sick,’” she told WHAM-TV.

RELATED: Watch Jennifer Lopez Leg Press Nearly 300 Pounds Like It's Nothing

She called the police, refusing to let him inside. Apparently, he got angry and forced his way into her home. “I hear a loud noise,” she said. “I’m thinking, 'What the heck was that? The young man is in my home. He broke the door.”

Instead of allowing herself to be the victim of a crime, Murphy, who works out at the local YMCA almost every day and can lift 225 pounds, fought back.

Because it was dark, she was able to hide while the intruder walked around the house. She grabbed the closest thing she could find—a table— and started attacking him. Once the table broke, she started whacking him with the metal legs.

RELATED: Autumn Calabrese’s 5-Move Bodyweight Workout You Can Do Anywhere

“It's kind of semi-dark and I'm alone, and I'm old,” she said, explaining the situation. “But guess what, I'm tough; he picked the wrong house to break into.”

Murphy didn’t stop there. Once he was injured, she ran and grabbed a bottle of shampoo, pouring the entire bottle on him. Then, she finished him off with a broom.

When the officers arrived, the man could barely move, and was sent to the hospital. Murphy believes he was “relieved” to be on his way.

The first responders were quite impressed with her self-defense skills— and rightfully so. “The officers that came wanted to go on my front porch and take selfies with me,” she said.

Murphy, who is not pressing charges, hopes that her story inspires people of all ages.

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Instagram-famous personal trainer (and all-around badass) Kayla Itsines had a baby girl in April—but from the day she announced she was pregnant, Itsines was very vocal about her journey to motherhood and all it entailed (like how she struggled with morning sickness and restless leg syndrome while pregnant.)

Now, Itsines is opening up about one of the more difficult parts of her postpartum journey: Hitting the gym for the first time after her caesarian section—just six weeks after her daughter, Arna Leia Pearce, was born.

Itsines, a lifelong athlete, was eager to get back to working out after she gave birth. She tells Health, “My first session back at the gym, I went onto the treadmill, and I was like, ‘Alright, cool. I’m going to do a fast walk because they told me I could walk.’” 

But that fast walk didn't go entirely as planned. “I stupidly put the treadmill up to a fast walk speed that I used to be able to do. The treadmill started going. I started to feel this weird, odd pain on my right side," she says. "The treadmill pick[ed] up pace quite quickly. I started to panic; I couldn’t turn the treadmill down fast enough.”

Itsines wasn’t able to spread her legs to the sides of the treadmill so she could get off the moving track, and she grew worried she would face plant on the moving belt. Luckily, it slowed down in time for her to regain control, but that incident made her realize just how much her body had changed since she had a baby. That day she ended up walking slow for about 13 minutes. “Then I had to get off,” says Itsines.

RELATED: Kayla Itsines Dishes on Her Fave Foods and More

The realization that she wasn’t as fit as she’d like to be was a tough one. “It was a struggle, really hard. I just remember being so upset and devastated that I wasn’t able to complete [a workout],” says Itsines. That struggle is what led to her new post-pregnancy workout program, to help women who have just given birth figure out how to get back in shape in a safe way. The workouts featured in the program, which include strength-training exercises and low-intensity steady state (LISS) cardio, are 15 to 25 minutes long, and the program lasts 16 weeks.

Itsines says that one thing that made this part of her journey especially difficult was that she didn’t know what it felt like to be out of shape. “It’s different for a person who has, maybe, never worked out before," says Itsines. “For me, I don’t remember not being fit. So I was super confused.”

Itsines stressed the importance of listening to your body when you return to the gym after giving birth, explaining that this is not the time to test your limits. “If I could give advice to women, it’d be not to push them to go straight back into fitness. Not to put that pressure on them…

Her solution? Quick 20-minute circuit routine, which she shared on her Instagram page Wednesday night. "On good days, workout. On bad days, workout harder,” she captioned the of herself crushing at what looks like her home gym. “Today’s circuit is what I do when I just have 20 minutes with @lauralizkeller [Sims' personal trainer] to get it in and still break a sweat!”

RELATED: Halle Berry Shares Photo of 6-Pack Abs on Instagram—and Her Fans are Freaking Out

Sims' entire workout is made up of seven moves, according to her instagram—and in seven different slides, she shows herself demonstrating them. Here's what her 20-minute circuit workout looks like, doing each move for 45 seconds, and repeating the circuit two to three times:

Jumping jacks
Modified pushups
Tricep dips
Squat jumps
Leg raises
Burpees
Lateral bend and hold (squeezing abs)

RELATED: Get a Full-Body HIIT Workout at Home

But Sims doesn't stop there—throughout the entire workout, she wrote that she ankle and wrist weights, though she doesn't say exactly how heavy. In her caption, Simms also called out athleisure brand Nylora, who makes her (super-cute) workout set.

As far a Sims' workout routine goes, it's actually really smart to do circuit training when you’re pressed for time, says Albert Matheny, RD, CSCS, of SoHo Strength Lab and Promix Nutrition. “If your goal is to burn calories and wear yourself out during a workout, circuit training is a really efficient way to do that,” he says. Circuit training is also great because it allows you to move on to work other body parts when one area gets fatigued, he says.  “As you’re resting one muscle group, you can start working another group,” Matheny says.

While Matheny says you can “make a circuit training workout out of anything,” he says it’s ultimately best to transition from focusing on one area of your body to another to give certain body parts time to recover in between—and to help you ultimately go harder. “Go from lower body to upper body to total body exercises,” Matheny advises. “It’s really efficient.”  Yup, even if you only have 20 minutes, like Sims. 

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I couldn’t sit by as their futures were threatened by this silent health crisis. And so, I started taking girls hiking on Saturdays. Each time, we walked and talked about things that might be a barrier to them living their healthiest lives. At the same time, my best friend, Vanessa Garrison, was grappling with women in her family dying too early. I knew we had to do something bolder and more transformative.

Read more stories about innovative and inspirational women, check out our Wellness Warriors series 

Vanessa and I set an audacious goal to get 1 million women to walk—to improve their own health, to create a new culture of health for their families, to inspire their daughters, and to take back their neighborhoods. We invited 532 friends on our combined email lists to walk with us.

Walking is the single most powerful thing you can do for your health. Walking 30 minutes a day, five days a week reduces most chronic disease by half. Each time we walk, we also combat loneliness and isolation, and build community, friendship, and culture.

RELATED: Your Walking Speed Can Tell You How Fast You're Aging

This is how GirlTrek was born. And not only do we organize walks but we also audit the needs of our neighborhoods as we walk. “Oh, we could put a garden there.” “There really needs to be a traffic stop here.” Or: “This mother has lost her son. Let’s walk and talk with her while she grieves.”

The more we walked, the more word spread. Today, with more than 270,000 members, we’re one of the largest public health nonprofits for African American women and girls in the U.S., and we aspire to reach 1 million members in the near future.

RELATED: These Are the Best Walking Workouts, According to Fitness Experts

When we are asked who’s in GirlTrek, we say: It’s rowdy college students, it’s the lunch lady, it’s all the women on the church pew—it’s everybody working together.

Our national team walked 100 miles on parts of the Underground Railroad, inspired by the footsteps of Harriet Tubman. But I find it rewarding when women have their own quiet breakthroughs, like a woman who’s gotten up and walked by herself every single morning for a year, and on the 365th day, she tweets about it.

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As a mom of two, I’d gained weight with both of my pregnancies and never really lost it. So in 2014, a couple of close friends told me over a glass of wine, “You need to take more time to get healthy.” 

The message sunk in. I started making better food choices and running. Over the course of 10 months, I lost 35 pounds. I don’t care much about fashion, so I kept wearing my old clothes until the summer of 2015, when my husband told me one day, “You can’t go to a business meeting in that bra.”

Read more stories about innovative and inspirational women, check out our Wellness Warriors series

It didn’t fit me around the torso anymore, and I couldn’t tighten it. While buying new bras at a local store, I asked the clerk what I could do with all of my perfectly good used bras that no longer fit me. She looked at me and said, “Homeless women need bras.”

Those four simple words changed my life. I went home and called a shelter near my home in the Washington, D.C., metro area. Their response: “How soon can you bring them?”

RELATED: This Bra Is So Comfortable, It’s Sold Out 10 Times

I don’t normally post on Facebook, but I felt compelled to mention that I’d just learned of this overwhelming need. Did anyone else have old bras to give away? The shelter had mentioned that women and girls are also frequently in need of pads and tampons, so I asked for donations of those, too.

People shared, and reshared, my request, and it got crazy really fast, in a “lightning in a bottle” way. Within two days, my Facebook group, Support the Girls, was born. A few months later, my husband made a website to keep up with the demand.

RELATED: This Insanely Comfortable Bra Has Over 2,600 Near-Perfect Reviews on Nordstrom

By that time, I’d made it to the shelter, and I had collected more than 1,000 bras and more than 7,100 pads and tampons. It didn’t make sense to stop there. Today, Support the Girls has nearly 60 affiliates across the U.S., as well as around the world. We’ve donated around 5 million products, including mastectomy bras, prosthetics for women going through cancer treatment, binders for trans boys and men, menstrual underwear, and menstrual cups. We’ve donated to Chicago public schools and the Indiana Department of Corrections, and provided supplies during and after natural disasters like Hurricanes Harvey, Irma, and Dorian.

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Daphne Oz, author and TV host of Master Chef Junior, shared a super-relatable selfie on Monday, to show that she’s jumping back into the fitness game after giving birth just 10 weeks ago.

“Everyone starts somewhere,” she wrote, along with the hashtag #10weekspostpartum. “Just got sweaty and it felt so GOOD!!”

Oz, 33, who’s the daughter of TV personality Dr. Mehmet Oz, gave birth to her fourth child in August, according to People. She welcomed daughter Giovanna Ines Jovanovic (nicknamed Gigi) with husband John Jovanovic.

This was Oz’s fourth pregnancy in five years—Daphne has three other children, Philomena, 5, Jovan, 3, and Domenica, 1, with her husband—and she told People it was the most physically challenging. Oz said that she battled the challenges that came with her pregnancy by “trying to feel good in my skin, whether it’s finding little ways to take care of myself or finding clothes that fit in a way that makes me feel good.”

RELATED: 3 Meal Prep Hacks Daphne Oz Swears By

As far as her workout Monday, Oz said it was actually her second since giving birth to Gigi—and that she’s in no hurry to get back to working out on the regular. “I’m not in a rush,” she wrote. “I just want to start to feel my core again and strength in my skin. Consistency and baby steps get it done #onmyway #herewego.”

Also important: The new mom chose a super cute workout set from Outdoor Voices for her sweat session. The Athena Crop Top ($45; outdoorvoices.com) offers more coverage while still showing off your core, and the coordinating Hi-Rise 7/8 Warmup Leggings ($75; outdoorvoices.com) keep you comfortable and stay in place throughout your workout, thanks to the stretchy yet compressive fabric.

Of course, this isn’t the first time Oz has gotten real with her Instagram followers about postpartum life. Last year she posted a photo of herself seven weeks after giving birth. She encouraged new moms not to get discouraged with the challenges that come with motherhood and countered the advice that women should simply “bounce back” after giving birth. “There is no bounce-back, it’s all onwards and upwards,” Oz wrote.

In addition to her body positivity, Oz has also shown a few of her workouts on Instagram, pre-pregnancy. In December 2018, she shared a photo after “starting the weekend sweaty” with a class by Obé Fitness, with instructor Madelaine O’Connell. Before that, Oz shared another sweaty selfie after a workout class, where she revealed she sweats “(almost) every day.” According to Oz, her workouts aren’t about immediate results, but rather doing something good for yourself every day. Amen to that.

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Another week, another Britney Spears workout video—and this time the pop star is combining two of her favorite routines.

In a new Instagram post, shared Monday, Spears shared a video of herself doing an exercise mash-up. "My normal yoga and weights routine always gets me going!!!!!" she wrote. "Great day !!!!!!!"

During the sped-up video, Spears, 37, is shown wearing pink polka-dotted bootie shorts and a black strappy sports bra. Throughout the video, you can see Spears going through a yoga flow (from Downward-Facing Dog to Upward-Facing Dog) and doing other yoga poses like Child's Pose and Cobra Pose, along with variations on free-weight lifts. 

RELATED: Britney Spears Shows Off Her Abs While Doing the Splits to Share Her New Workout Routine

Of course, Spears is no stranger to sharing her workouts on Instagram. Just last week, she shared a video of herself with an unidentified stranger doing an acro yoga-esque routine together. In the video's caption, Spears wrote that it was her "first time to walk on my hands up and down stairs," which, of course, she shared a video of. In addition to her handstand walking, Spears was also shown doing backbends and balancing on her partner's feet. 

RELATED: Britney Spears' Boyfriend Sam Asghari on How He Lost 100 Lbs. — and the Couple's Fun Workouts

But yoga and free weights aren't the only workouts Spears does. In another recent Instagram post, Spears shared that she had just logged some pool time. "Yes I did my challenge of 60 laps and yes it was hard !!!!!" she wrote. (Spears, however, spoke to her viewers and said she typically swims 20 laps a day—she just chose to challenge herself that particular morning). "When I swim laps in the mornings …. I usually have to take a nap … the water makes me sleepy like a baby," she added.

Clearly, Spears knows a thing or two about switching up her workouts to keep herself engaged. So what's next, Brit? Maybe some HIIT workouts?

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Jada Pinkett Smith is showing fans that you don’t need a fancy gym membership to get in a decent workout.

On Tuesday, the 47-year-old Girls Trip star shared a video of the intense full-body exercise routine, created and demonstrated by her trainer Jeanette Jenkins all done in a hallway at the W Hollywood without the aid of a single piece of gym equipment.

Dressed in a black athleisure ensemble with a hot pink sports bra and matching Nike sneakers, Jenkins appeared cool as a cucumber throughout—even though she was upside down for most of the workout.

“THIS!!! Whooped my a#@!!!” Pinkett Smith captioned the video, set to Migos’ song “Stir Fry.”

“Try it! It’s a GREAT routine and u don’t need a gym!” she added.

RELATED: Jada Pinkett Smith Admits She's 'Not Built for a Conventional Marriage': It Would 'Kill Me'

Jenkins, a Los Angeles-based trainer dubbed it the “7 Exercise Core & #WallWorkoutChallenge“—going into detail about it on Instagram. 

RELATED: The 17 Best Butt Workouts from Kelsey Wells, Jeanette Jenkins and More Fitness Stars

To follow along, one must repeat three sets of wall mountain climbers, toe taps, walk out and ins, alternating knee crosses, hand to opposite knees, walk planks to squat jumps, and single leg wall jumps, for 30 to 60 seconds each.

“Let’s just say my entire core & upper body were sore for three days after this!” the trainer wrote in her own IG post. “You can do it! Have fun!!!!”

Of course, fans of Pinkett Smith’s know this isn’t the first time she’s shown off her workouts on Instagram.

Late last month, the wife of Will Smith flaunted her impressive set of abs alongside 17-year-old daughter, Willow, and mother, Adrienne Banfield-Jones, 64, after their family workout.

RELATED: The Best Booty-Boosting Exercises, According to Jeanette Jenkins

“That three generational thing,” Pinkett Smith captioned the shot of her and her family. The three ladies are nearly matching in their sports bras and black leggings, while baring their fit stomachs.

In August, Smith posted a video of Banfield-Jones breaking a sweat during a gym workout. “Why is Gam Bam putting me to shame???” Pinkett Smith joked.

Banfield-Jones also previously showed off her abs on her own Instagram in May, when she posted a revealing shot of herself in a colorful bikini.

RELATED: Jada Pinkett Smith Just Revealed She’s Struggled With Sex Addiction—Here’s What That Means

The three generations of women are tight-knit, and launched their own Facebook talk show, Red Table Talk, where they share captivating personal stories.

“I feel like the only real valuable thing in life is sharing what we’ve gone through…

As the weather warms, it’s easy to start slacking on your workouts—but fitting in exercise is worth it. So we’re here to help with this body-weight routine that can be done in a small space (hello, tiny hotel room). “It involves strength and stability, and gets your heart rate up. Even better, it’s a total body workout you can do in a short time frame,” says Lauren Williams, who created the circuit and is a Health Advisory Board member and co-owner of Health Out Fitness and Lifestyle in Vancouver. Now get to it so you can enjoy that sunshine.

Scissor jumps 

Begin in a staggered stance with knees bent and your left foot in front of the right; bend right arm forward and extend left arm back (A). Swiftly jump up, switching legs in midair, like a scissor; simultaneously switch arms (B). Land softly, and repeat. Continue alternating without resting for 90 seconds, increasing speed and intensity every 30 seconds.

RELATED: The Best Exercise to Tone Your Outer Hips

Beast mode leg extensions 

Start on all fours with wrists stacked under shoulders, knees under hips, and toes tucked; lift knees (A). Maintaining this position, reach your right heel up (B). Return to “A,” and then do two more reps. Switch to your left side without dropping the knees; do three reps. Continue alternating for 60 seconds.

RELATED: 5 Exercises to Tone Your Arms and Lift Your Butt at the Same Time

Reverse lunge hold with knee taps 

Sit into both of your legs as if you are in Chair Pose, arms at sides (A). Reach your right leg behind you, coming into a reverse lunge; lower until right knee taps the ground. At the same time, raise arms straight up (B). Return to “A”; then repeat with the left leg. Continue alternating for 90 seconds.

RELATED: This Inner Thigh Workout Will Transform Your Legs

Superman with 90/90 retraction 

Lie face down with arms extended forward. Squeeze upper back and glutes to lift up arms, chest, feet, and legs (A). Maintaining this position, glide arms backward into a 90-degree angle, pulling elbows up and shoulder blades together (B). Return to “A”; then lower back down. Repeat for 60 seconds.

RELATED: This Ballet-Cardio Workout Will Give You Tighter Muscles and Tons of Energy

Alternating narrow and wide push-ups 

Start in a high plank with hands directly under shoulders (A). Lower into a push-up, keeping elbows close to sides of body (B). Push back up to “A,” and then move right hand out to side so that hands are wider than shoulder-width, centering torso over hands; lower into a push-up (C). Push back up; then return hands to “A.” Repeat the narrow push-up again. Once you return to “A,” move the left hand out to the side, with hands wider than shoulder-width apart and torso centered; lower into a push-up. Continue alternating for 90 seconds.

RELATED: I Did 100 Push-Ups Every Day for Over a Year

Supine core extensions 

Lie face up…

“I spent my teens and early 20s as a professional ballerina, dancing with companies in New York City and Montreal. After retiring in 2008, I went into the boutique fitness field. At first, the only space I could afford was a 500-square-foot room in a church, which meant there was no room for traditional equipment. I had to figure out: What can you do in a small footprint that gives people the benefit of a total gym? I came up with a high-intensity circuit that toned the full body. When I brought in mirrors, people loved them. They found the visual feedback inspiring and also helpful in keeping their form correct.

Fast-forward to 2016, which found me running three fitness studios across New York City. Getting to my own workouts was hard, especially because I was pregnant at the time. Biking or running on a treadmill in my apartment just didn’t appeal. I tried workout apps, but they weren’t immersive enough to hold my interest.

RELATED: Use This 10-Minute Leg Workout to Get Toned While Channeling Your Inner Ballerina

RELATED: I’m the Worst Dancer, but I'll Never Quit Taking Dance Fitness Classes—Here’s Why

I started thinking how I could bring that small studio experience into my home…and thought back to the mirrors I’d put in that church years ago. I came up with Mirror, an interactive home gym that hangs on your wall.

In the early days, when I didn’t have a physical prototype, people couldn’t understand what the experience would be like. Then once it was made and they could experience it, I heard, ‘I can’t believe I didn’t think of this!’

Variety’s a key component of a good workout, so Mirror users can choose from live and on-demand classes in cardio, strength, yoga, barre, boxing, HIIT, and more… without leaving their home. I’ve heard from parents who say that for years they’ve struggled to find time to get out of their house and work out—and then felt guilty once they did. Being able to work out at home isn’t just a solution for them, but helps their whole family.

RELATED: 10-Minute Cardio Workout You Can Do at Home

Many wellness-based goals are focused on future rewards—like making you stronger one day. Or thinner. Or healthier. That makes it really challenging to be successful. If you enjoy the experience now, future rewards will come. So that’s another mental shift I’m hoping Mirror will bring. Many people look in their mirror at home and spend time criticizing their body. I want this to help them celebrate what they’re capable of.”

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Jennifer Lopez is famous for perfecting that elusive, never-too-shiny glow on the red carpet (heck, she even had a perfume named Glow). Luckily, J.Lo's makeup artist Scott Barnes is dishing on the technique he uses to help the star get that radiant, full-body effect—and trust us, it's good.

Barnes teamed up for a video on YouTuber Tati Westbrook's channel to showcase his new makeup brush line and some of his go-to techniques. The 30-minute video is worth a watch in its entirety. Barnes—who's also worked with Christina Aguilera and Celine Dion—shares some of his expert hacks, including why he applies contour under foundation, and that time he used L'Oréal Bronze Coin lipstick as a highlighter, lip color, and eyeshadow for a shoot. But if you just want the most interesting tidbit, it's Barnes' favorite drugstore product: Neutrogena Ultra Sheer Lightweight Sunscreen Spray SPF 30. (Buy It, $7, target.com)

RELATED: Jennifer Lopez Shows Off Her Bare Butt in New Video

Photo: John Shearer / Getty Images

And no, it's not just because sun protection prevents aging. (Although, it totally does!) Barnes actually likes to use the sunscreen as a finishing tool on the red carpet to add to his clients' body glow. Mind. Blown.

RELATED: Jennifer Lopez’s Curly Lob Makes Gym Hair Look Good

There are several steps Barnes does to build that bronze base and afterward to add dimension. The first step is full-body foundation. If you've seen J.Lo's notorious "naked dress," then you're aware her glow doesn't end at her jawline. Unsurprisingly, Barnes is a proponent of extending makeup below the face. (In the video, he applies Tati's foundation all the way down her chest and even on her hands.) Naturally, Barnes also sells a product called Body Bling, a hard-core body bronzer that reviewers say works even on the palest of complexions.

RELATED: J.Lo Just Posted an Absolutely Insane Photo of Her Abs While Rocking a Neon Pink Bikini

Here's where the SPF comes into play. Post-foundation, Barnes will layer on the Neutrogena sunscreen spray to both set the foundation in place and enter "super glow" territory. "Forget the MAC setting spray," he quips in the video. (And of course, "this is also good for your skin, so when you go outside bronzed you maintain your sun protection," he adds.) After misting the sunscreen on Tati's chest, he then applied powder bronzer and highlighter to achieve what he calls "Barbie skin." There you have it.

RELATED: J.Lo Just Designed the Sunglasses of the Summer—and They’re Only $60

Granted, yes, this slick, bronzed look is more editorial than everyday. "I see people who do really beautiful makeup and people look great on the street," he said in the video. "That's not my thing. You'll look good on film, but maybe in person you'll look like 'ah!'" Translation: This full four-step foundation, sunscreen, bronzer, and highlighter combination isn't exactly meant to look natural in person…

I'm no stranger to a booty mask or any product that promises to tone and tighten. Scrubs and creams that claim to smooth, tone, and leave your cheeks with a healthy glow? I've tried them. Brushes and massagers that exfoliate and blast cellulite? Been there. If it’s for your ass and thick thighs, I’ve put it to the test. But no product aimed at treating the butt has stuck it out in my routine, and I was just about to give up on a holy grail booty product.

However, when I heard about a new butt mask and that peach queen Khloe Kardashian was a fan, I had to get my hands on it. Not only has this newcomer booty mask sold out on Sephora an impressive three times since launching in the U.S. in September 2018, but Kardashian posted a series of self-care Instagram stories using the "extra" luxurious cream. 

Was this butt mask the real deal? For the sake of journalism (and my toosh), I needed to find out.

Maelys Cosmetics B-Tight Lift and Firm Booty Mask ($49; sephora.com) is made with firming collagen and guarana, a fruit native to the Amazon with seeds known to contain way more caffeine than coffee beans. Caffeine is extremely helpful in smoothing skin and reducing dimpling (aka cellulite), notes New York City-based dermatologist Debra Jaliman, MD.

The formula also boasts detoxifying red grapefruit oil, which activates the lymphatic system. When that is stimulated, cellulite can be prevented or lessened, she adds.

The star ingredients are pink pepperslim and eco-slim. Pink pepperslim is a slimming oil known to reduce fat and is eight times more powerful than caffeine, while eco-slim has 46% higher concentration of caffeine than caffeine extracts. The bottom line? These ingredients could reduce sagging and improve tightness, says Dr. Jaliman.

RELATED: Sheet Masks for Your Butt Exist: Here Are 4 That Are Dermatologist-Approved

To buy: Maelys Cosmetics B-Tight Lift and Firm Booty Mask ($49; sephora.com)

It was finally time to see what all the fuss was about. I decided to give the gym a rest (who am I kidding, I wasn't really planning on working out anyway) in order to give this product a thorough test. 

Upon opening the mask, I was surprised to see how much product you really got. Usually you get cheated with a partially full container or a travel-size amount in a large bottle, but this jar was jam-packed with a dreamy pink cream! I dipped the tips of my fingers in the jar, applied a generous amount of the product to my butt, and started rubbing the cream onto both cheeks.

The directions warn that the product is supposed to lightly warm up, and after a nice lather I felt a slightly warm sensation. I also noticed that the mask dried pretty quickly, which makes it great for slapping on in the mornings even if I'm in a rush (or applying at night, since it won't annoyingly stick to bed sheets)…

Let’s face it: On some days, you just don't have the time to spend a full hour clocking miles on the treadmill or pumping weights at the squat rack. You already have one thousand other things on your to-do list, and unfortunately, working out doesn’t always make the cut.

We get it, and we have some good news: New research says that the exercise you do on those no-workout days (you know, when you take the stairs or carry heavy groceries) might be more beneficial than you think.

RELATED: Please Move More, Even Just a Little Bit, Say New Physical Activity Guidelines

Say hello to HIIPA, or high-intensity incidental physical activity. It’s a version of HIIT (high-intensity interval training) that you already do as you go about your everyday life, no gym needed. Last year, the U.S. Department of Health and Human Services (HHS) updated the Physical Activity Guidelines for Americans to say that physical activity no longer has to last at least 10 minutes to be beneficial. The new thinking is that every bit of activity counts, even if it’s just two minutes at a time.

So what kind of activity qualifies as HIIPA? According to a report published in the British Journal of Sports Medicine this week, HIIPA is any movement you make that gets your heart rate up—such as vacuuming every room in your house, chasing your kids around the backyard, parking your car in a faraway spot and having to walk a few minutes to your office door, and lugging a heavy load of laundry to the laundromat.

Instead of thinking you have to block out an hour of your day to get your blood pumping, you can treat the things you’re already doing as built-in bites of exercise.

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"There is a lot of research telling us that any type of HIIT, irrespective of the duration and number of repetitions, is one of the most effective ways to rapidly improve fitness and cardiovascular health and HIIPA works on the same idea," Emmanuel Stamatakis, PhD, lead author on the report, said in a statement.

The report also says that one of the great things about HIIPA is that it does away with the usual obstacles that hold people back from making exercise a regular part of their routine—like the high price of gym memberships, not having enough time, and simply lacking the skills and motivation.

HIIPA is gaining popularity at just the right time, considering many Americans just aren’t meeting the current guidelines, which call for adults to complete 150 to 300 minutes of moderate physical activity, or 75 to 150 minutes of vigorous activity, per week. Only 26% of men and 19% of women are meeting that benchmark, according to research published in the Journal of the American Medical Association last year with the updated physical activity guidelines.

“The new guidelines demonstrate that, based on the best science, everyone can dramatically improve their health just by moving—anytime, anywhere, and by any means that gets you active,” said Admiral Brett P…