Fitness Workouts Celebrity Workouts Our Favorite Celebrity Fitness Trainers on Instagram By Sara Angle and Caitlin Carlson Caitlin Carlson Caitlin Carlson is a New York-based writer and founder of TORIAL Media. After completing her Masters degree in journalism at The University of Westminster in London, Caitlin started her career at Women’s Health. Since then she's held in-house positions at Shape, Men’s Fitness, and Equinox. Shape's editorial guidelines Published on January 31, 2015 Share Tweet Pin Email Trending Videos Aside from helping A-list stars tone up, these personal trainers offer tons of inspiration to help you get in shape 01 of 15 Harley Pasternak Instagram Harley Pasternak works with a slew of A-list celebrites, including the stunning Megan Fox and Jordana Brewster, but his expertise goes far beyond the gym. He has a Master of Science in Exercise Physiology and Nutritional Sciences from the University of Toronto and an Honors Degree in Kinesiology from University of Western Ontario, and he worked as a scientist before turning to personal training. He's also a motivational speaker, author, and television host, and shares his insights on food and fitness using his handle @harleypasternak. 02 of 15 Mary Helen Bowers Instagram Former New York City Ballet dancer Mary Helen Bowers trained Natalie Portman for her Academy Award-winning role in Black Swan, then went on to bring ballet-inspired fitness into the mainstream with her Ballet Beautiful program. She now works with celebrities like Zooey Deschanel, Lily Aldridge, Miranda Kerr, and Doutzen Kroes to help them achieve that lean ballet dancer look. Scroll through her feed @balletbeautiful and you may get the urge to practice your own plié! 03 of 15 Gunnar Peterson Instagram Gunnar Peterson is responsible for keeping the beautiful booties of the Kardashian sisters in check, as well as the sexy curves of Jennifer Lopez and Ciara. With over 20 years of fitness experience, Gunnar has no shortage of innovative fitness ideas—and you can get them directly through his fitness-filled feed at @gunnarfitness. 04 of 15 Anna Kaiser Instagram Petite dancing queen Anna Kaiser works with celebrities like Sofia Vergara, Shakira, Kelly Ripa, and Sarah Jessica Parker, using her signature method of dance and sculpting. Her studio, AKT In Motion, features her signature dance routines that combine cardio movements with strengthening techniques from yoga and Pilates. Get hot body inspiration from her at @annamkaiser. 05 of 15 David Kirsch Instagram Known as "the butt guy," David Kirsch trains hot celebrities like Kate Upton and Liv Tyler using multi-tasking workouts and focusing on nutrition for a holistic approach. Healthy meal ideas, workout videos, and fitspo quotes litter Kirsch's awesome Instagram feed, @davidkirsch. (See how Kirsch helped Kate Upton become the "Sexiest Woman Alive.") 06 of 15 Astrid McGuire Instagram Astrid McGuire started as a model, so she knows that taking care of your body is as much about looking good as it is about feeling good. After coaching fellow models, she broke into the fitness world and developed a cult-like following at Barry's Bootcamp, where she still teaches. Now, she personally helps stars like Julianne Hough, Stacey Keibler, and Jessica Alba stay fit. Follow her at @asmfit for motivational quotes, workout videos, healthy food ideas, and pics of her adorable pup! 07 of 15 Mark Langowski Instagram Mark Langowski of Body by Mark helps Good Morning America weather anchor Ginger Zee stay camera-ready with high intensity workouts that get her in and out of the gym fast! He shares fitness videos on his account @bodybymarkwellness that will give you great ideas of moves to incorporate into your own workouts. 08 of 15 Justin Gelband Instagram Co-founder of ModelFIT, Justin Gelband works with some of the hottest celebrities and models, including Karlie Kloss, Chrissy Teigen, Candice Swanepoel, and many of the women that walk runway at the Victoria's Secret Fashion Show. Scope his feed at @modelfit for a peek into his NYC-based classes, which use everything from trampolines, light weights, resistance bands, BOSU balls, and ankle weights to sculpt lean muscle. 09 of 15 Erin Oprea Instagram Nashville-based trainer Erin Oprea has worked with some of country music's leading stars, including Carrie Underwood and Jennifer Nettles. She's the absolute master of using your environment to train—whether it's a local playground, your living room, or a set of stairs. Mix up moves from her Instagram videos (under the handle @erinoprea) for a seriously tough workout! 10 of 15 Danny Musico Instagram Two-time world boxing champion Danny Musico and his celeb clients like Hilary Swank, Jessica Simpson, and Justin Bieber will inspire you to get in the ring when you see his fierce Instagram pics (follow him at @dannymusico). Punch, kick, and werk your way to a hotter body while taking cues from this boxing master. 11 of 15 Ashley Borden Instagram Client successes, workout moves, and cute manis rule Ashley Borden's Instagram account at @ashleybordenfitness. She helps some of the sexiest people get even sexier, with clients that include Ryan Gosling, Christina Aguilera, Reese Witherspoon, and Kesha. 12 of 15 Holly Perkins Instagram Holly Perkins is living proof that women who lift look seriously amazing. She works with celebrities like Adrian Grenier and Howard Stern, so she knows how to keep up with the boys. Follow her on Instagram at @hollyperkins for strength training moves that build lean muscle—and a look into her vast collection of bright sneakers! 13 of 15 Michael Olajide Jr. Instagram @elcuerpodepapi Follow Michael Olajide Jr.'s account at @elcuerpodepapi and you'll see plenty of familiar faces. Olajide J.r. has trained the likes of Adrianne Ho, Natalia Vodianova, and Emmy Rossum. Adrianna Lima loves to give credit to Olajide J.r., who's helped her prep to walk in the Victoria's Secret Fashion Show eight weeeks after giving birth. Before becoming a celebrity trainer, Olajide J.r. was a middle-weight boxing champion. If you're in New York, you can take classes at his studio Aerospace. 14 of 15 Ben Bruno Instagram @benbrunotraining Ever been in awe of Kate Upton's heavy lifting skills? Ben Bruno helped her get to this point. (Upton told us about how Bruno got her to lift heavy when she was reluctant.) Bruno also trains Chelsea Handler and Victoria's Secret Angel Barbara Fialho. On his Instagram at @benbrunotraining, Bruno is constantly sharing videos of the weight training moves he uses with his clients. 15 of 15 Don Brooks Instagram @donamatrixtraining You may have seen Don Brooks on an episode of KUWTK, taking the Kardashian sisters through one of his intense workouts. (He also works with Kanye West and Fergie.) Brooks created the Don-A-Matrix method, high-intensity intervals with strength-building moves. Follow him at @donamatrixtraining, then try some of the arm moves he uses with Kourtney and Khloé Kardashian. Was this page helpful? Thanks for your feedback! Tell us why! Other Submit