You Better Work! 25 Famous Ladies In Gymstagrams

If a celebrity goes to the gym, but doesn’t Instagram it, did it ever truly happen? These 25 stars show us all how to look fab and fit, sometimes with the help of filters.

If a celebrity goes to the gym, but doesn’t Instagram it, did it ever truly happen? These 25 stars show us all how to look fab and fit, sometimes with the help of filters.

Kim Kardashian shows off her famous booty with friend Blac Chyna after the gym. Fans cried Photoshop but Kardashian claimed her hips don’t lie.

Miley Cyrus twerks on her fitness while on the set of her music video for “We Can’t Stop.”

Alessandra Ambrosio won’t let her intense workout get her down! She’s all smiles and throwing up peace signs through the sweat.

Jessica Alba takes a break from her workout to give the world a thumbs up and remind us all she’s still around.

Vanessa Hudgens is “breaking free” from her old Disney image with this snap of her sexy zebra bra and toned tummy.

Julianna Hough is looking anything but rough in this snap of her giggling during her work-out.

Mary J. Blige readies her arms for the fight against cellulite.

“Vampire Diaries” star Nina Dobrev bares her fangs mid-workout.

Brooklyn Decker understands that every once in a while a gal needs help getting her sweat on.

“Shameless” star Emmy Rossum has nothing to hide while out on a jog.

Gisele Bundchen indulges in some Mommy & me yoga, but her little one doesn’t seem quite zen.

Kelly Rowland makes ab workouts look deceptively fun and easy!

Maria Menounos works and plays while taking a spin on her bike.

Erin Andrews lunges at the chance to treat her body right and even catches up on her shows while doing so!

Stacy Keibler proves she isn't the girl to mess with while snapping this boxing picture.

Ciara seemed to be getting ready for a comeback with this unique workout.

Giulianna Rancic proves moms really can have it all: Career, children, and someone to snap casual photos of you on a Bosu ball.

Fusing inspirational sayings with exercise, Kelly Ripa proves she definitely can.

The Big Bang Theory star Kaley Cuoco shows us just how graceful she is.

When she’s not running away from Transformers or being drop-dead gorgeous, Rosie Huntington Whitely likes to do casual handstands.

In between filming scenes for “Revenge," Emily VanCamp is an instagram hipster’s dream.

Gabrielle Union shows how she gets those lethal legs

Miranda Kerr might snap in half doing this pose, but at least she got a great photo from it!

We’re not sure whether Beth Behrs was actually working out or wearing these ballet shoes for fashion.

"Glee" star Lea Michele is every Pilates chick's inspiration with this pose.