Fitness

Don't Mess With Demi Lovato! She Literally Knocked Out Her Trainer's Tooth: 'Sorry (Not Sorry)!'

Ben Affleck Admits He Tried Former Fianceé Jennifer Lopez and Alex Rodriguez's 10-Day No Carb, No Sugar Challenge

Wendy Williams 'Has Not Gained a Pound' Amid Health Battle Thanks to Her Workout Routine

'Dancing With the Stars' Pro Sharna Burgess Looks Ripped in a Bikini While Hanging Out in Sydney

Thumbs Up! Chris Pratt and Fiancée Katherine Schwarzenegger Are All Smiles Leaving the Gym

Madonna Reveals Her Secrets to Staying Fit at 60: 'You Got to Work for It'

Mason Disick's Reaction to His Mom Kourtney Kardashian Dancing Is Too Funny For Words

ExclusiveCourteney Cox Turns to Intense Kickboxing Workouts to Stay Fit in Her 50s: 'No Pain, No Gain!'

Celebrity Trainer Harley Pasternak Reveals the Best Fitness Tips he Gave Ariana Grande, Gwyneth Paltrow and More!

Exclusive'RHOBH' Star Kyle Richards Was Afraid to Turn 50, So She Upped Her Fitness Game: 'I've Honestly Been Working My A-- Off'

ExclusiveHere Are 13 Tips To Be More Body Positive in 2019, From Your Fave Influencers

Meghan Markle Stays Grounded Thanks to Yoga: 'That Practice Is in My Blood'

Sarah Jessica Parker's Fitness and Diet Secrets Revealed: Here's How the Actress Stays in Shape

Adam Rippon Reveals How he Overcame His Insecurities: 'Fake it Till You Make it!' (Exclusive)

Inside Charlize Theron's Diet and Workout Secrets — Here's How the Actress Stays Fit

Kroger Health President Colleen Lindholz Discusses the Role Food Plays in Our Lives

ExclusiveKatherine Schwarzenegger Is Whipping Fiancé Chris Pratt Into Shape Ahead of Their Summer Wedding

ExclusiveGet Motivated to Train Like a 'Riverdale' Star With Advice From Celebrity Trainer Alex Fine

Jessie James Decker Is All of Us Trying to Find the Most 'Flattering Angle' on Insta: 'Took Me 6 Tries'

Is It Summer Yet?! Model Iskra Lawrence Slays in Pink Bikini on the Beach

Bella Thorne Shows Off Her Killer Bod in Baby Blue Bikini

ExclusiveKim Kardashian's Trainer Melissa Alcantara Reveals Her Tips to Get a Killer Post-Baby Body

From the Runway to the Gym: Gigi Hadid Considers Boxing Her Favorite Activity

ExclusiveThe Medical Medium Explains Why all Your Favorite Celebs Are Drinking Celery Juice