This Is What It Girls Wear to L.A. and NYC's Cult Fitness Classes


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It's no secret that celebs inspire how we get dressed, where we shop, and what we shop for. Whether we're copying their most iconic outfits (ahem, Jennifer Aniston circa 1990) or taking our best guesses at what we'd find in their Zara shopping carts, there's no end to the inspiration. Today, we're diving into one more area of our closets where It girls are wielding some powerful influence: workout outfits. However, we're not talking about any old outfits they throw on to head to the gym.

Instead, we're highlighting five celebrity workout classes in both NYC and L.A. that have earned cult followings from actresses, models, and fashion insiders alike. These are the studios where you'll spot the coolest new legging trends and activewear brands to know while you break a sweat. So what exactly do celebs wear to each buzzy fitness studio? Keep reading to discover why each workout is so popular among the A-list crowd and the outfit combos you can expect to spot them in.

To Body by Simone: Comfortable Layers + Supportive Sneakers


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Body by Simone has earned itself somewhat of a cult following in the celeb world, counting loyal fans like Rosie Huntington-Whiteley, Jennifer Garner, and Chrissy Teigen, among others, who come to the studio's high-intensity dance-cardio classes on the reg. The studio's owner, Simone De La Rue, says that wearing supportive sneakers is a must since the class involves lots of jumping around and, of course, dancing. As for what else her clients put on for class, matching legging-and–sports bra sets layered up with a looser-fitting top is the outfit combo of choice.

To Alo Yoga: High-Waisted Leggings + Sports Bras

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You might already know Alo for its amazingly soft leggings (Hailey Bieber is a huge fan, for instance), but some of its stores also double as yoga studios. Celebs like Claire Danes and Jamie Chung flock to the Beverly Hills and SoHo locations for vinyasa flow sessions, typically clad in one of the brand's matching legging-and–sports bra sets. Its extra-long Goddess leggings are a favorite, according to the brand.

To Rumble Boxing: Sports Bra + Shorts or Leggings + Sneakers


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Justin Bieber, Kendall Jenner, Hailey Bieber, Jason Derulo, David Beckham… We could go on, but we think you get the gist. Celebs show up in droves to Rumble's high-energy, pop music–filled boxing class on both coasts. The class is a mix of heartbeat-raising boxing sessions, weight training, and some good old cardio, so naturally, the studio insists that good sneakers are a must.

"I recommend choosing a pair that’s designed for training, stabilizing, and allowing ballistic movements, like jumping and bouncing," Kendall Wood, a trainer from the studio, told me. "That said, I would not recommend wearing super-baggy clothing to a Rumble class. Anything that can get caught on equipment or inhibit movement should be avoided!"

To LEKFIT: Bike Shorts + Bra Top + Sneakers

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LEKFIT is admittedly unlike most other workout classes. According to founder and celeb trainer Lauren Kleban, the class is "designed to work the full body using intervals of low-impact, high-intensity, fat-burning cardio with muscle-sculpting techniques created to strengthen and tone." Since devoted fans like Busy Philipps, Emmy Rossum, and Jen Atkin leave Kleban's class dripping in sweat, they usually show up in bike-short or legging sets and, of course, sneakers. Kleben told us that all the LEKFIT trainers are loyal to Adidas Ultraboost sneakers.

To ModelFit: Leggings + Sports Bra + Light Sweatshirt

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As the name suggests, ModelFit is popular among the model and celeb crowds. It's based off specific sequences that target and tone the smaller, hard-to-reach muscles, and depending on the instructor, they'll utilize different pieces of equipment such as resistance bands, ankle weights, Pilates ring, etc. And since it's all about toning (in other words, you won't necessarily come out dripping in sweat), throwing on a light layer like a sweatshirt or jacket over your typical legging–sports bra outfit is a good idea.

Next, see how I re-created Jennifer Aniston's most iconic 1990s outfits.


Anna is an editor on the fashion team at Who What Wear and has been at the company for over five years, having begun her career in the Los Angeles office before relocating to New York, where she's currently based. Having always been passionate about pursuing a career in fashion, she built up her experience interning at the likes of Michael Kors, A.L.C., and College Fashionista before joining the team as a post-graduate assistant editor. Anna has penned a number of interviews with Who What Wear's cover stars over the years, including A-listers Megan Fox, Issa Rae, and Emma Chamberlain. She's earned a reputation for scouting new and emerging brands from across the globe and championing them to our audience of millions. While fashion is her main wheelhouse, Anna led the launch of WWW Travels last year, a new lifestyle vertical that highlights all things travel through a fashion-person lens. She is passionate about shopping vintage, whether it be at a favorite local outpost or an on-the-road discovery, and has amassed a wardrobe full of unique finds. When she's not writing, you can find her shooting street imagery on her film camera, attempting to learn a fourth or fifth language, or planning her next trip across the globe.