Gabrielle Union pops some serious squats.
Instagram.com/gabrielleunion
Nicole “Snooki” Polizzi still lives the “Jersey Shore” “GTL” lifestyle.
Instagram.com/snookinic
Hillary Rhoda gets ready to ride at Soulcycle.
Instagram.com/hillaryrhoda
Lily Aldridge dances to stay in her angelic shape.
Instagram.com/lilyaldridge
Gigi Hadid is usually a lover, but she’s a fighter to get toned.
Instagram.com/gigihadid
Idris Elba shows off his post-workout sweat.
Instagram.com/idriselba
Justin Bieber is growing up … and growing muscle.
Instagram.com/justinbieber
Khloé Kardashian shows how she’s getting her booty to compete with Kim’s.
Instagram.com/khloekardashian
Nina Dobrev rock climbs to stay in supernatural shape.
Instagram.com/ninadobrev
Miranda Kerr uses yoga to stay lithe.
Instagram.com/mirandakerr
Mary J. Blige works out her drama at the gym.
Instagram.com/therealmaryjblige
Maria Menounos multitasks.
Instagram.com/mariamenounos
Lea Michele stretches before hiking.
Instagram.com/msleamichele
Hugh Jackman lifts to stay jacked.
Twitter.com/RealHughJackman
Heidi Klum keeps it simple by hiking with her dogs.
Instagram.com/heidiklum
Vanessa Hudgens uses dance and aerials to stay Broadway-ready.
Instagram.com/vanessahudgens
Stacy Keibler used to wrestle. Now she boxes!
Instagram.com/stacykeibler
Rosie Huntington-Whiteley loves Pilates.
Instagram.com/rosiehw
Margot Robbie keeps her “focus” on her Pilates.
Instagram.com/margotrobbie
Lindsay Lohan has at least one healthy habit.
Instagram.com/lindsaylohan
Candice Swanepoel puts up her dukes.
Instagram.com/angelcandices
Kourtney Kardashian strikes a pose in a gym mirror.
Instagram.com/kourtneykardash
Erin Andrews uses Skype to keep up with her trainers when she’s on the road.
Instagram.com/erinandrews
Kelly Rowland shows how hard she works for her insanely toned body.
Instagram.com/kellyrowland
Kelly Ripa motivates us all.
Instagram.com/kellyripa
Jessica Simpson and a friend hit the treadmill.
Instagram.com/jessicasimpson
Jessica Alba glows post-workout.
Instagram.com/jessicaalba
Irina Shayk inspires.
Instagram.com/IrinaShayk
Ciara works hard to keep her body tight.
Instagram.com/Ciara
Bar Rafaeli loves yoga.
Instagram.com/barrafaeli
Alessandra Ambrosio keeps her workouts varied, but intense.
Instagram.com/alessandraambrosio
Gisele Bündchen does yoga with daughter Vivian.
Instagram.com/giseleofficial
Lady Gaga gets some help with her yoga poses.
Instagram.com/ladygaga
Kelly Osbourne gets guidance from personal trainer Fred Khorshidi.
Instagram.com/kellyosbourne
Erin Heatherton embraces ballet.
Instagram.com/erinheathertonlegit
Dwayne “The Rock” Johnson lifts some serious weights to maintain those rock-hard muscles.
Instagram.com/therock
Ellie Goulding gets silly while she gets toned.
Instagram.com/elliegoulding
Drake may be a softie, but he lifts for his hard bod.
Instagram.com/champagnepapi
Doutzen Kroes works out with yoga, even when on vacation.
Instagram.com/doutzen
Demi Lovato goes hard at the gym.
Instagram.com/demilovato
Christy Turlington runs marathons.
Instagram.com/cturlington
Cara Delevingne doesn’t rely on genes alone for her awesome figure.
Instagram.com/caradelevingne
Brooklyn Decker is proud of her pull-ups.
Instagram.com/brooklynddecker
Adriana Lima is a longtime lover of boxing to stay slim.
Instagram.com/adrianalima
Troian Bellisario adores aerial silks.
Instagram.com/sleepinthegardn
Kendall Jenner crashes Kim Kardashian’s gym selfie.
Instagram.com/kimkardashian
