Dying to know how it feels to train like a star? We were. An Us Weekly editor tried a FlyBarre workout for four weeks and documented her journey
'Being Mary Jane' star Gabrielle Union tells 'Us Weekly' how she stays fitter than ever at 43 — watch
Celeb fitness trainer Astrid Swan, who works with Julianne Hough and Olivia Munn, shows three moves to burn calories and rev metabolism. Watch now!
From Heidi Klum's killer abs to Zoe Kravitz's chic style, see the best celebrity bikini bodies this winter!
Soleil Moon Frye tells Us Weekly about shedding her pregnancy weight almost a year after giving birth -- see the picture!
Boost your workout -- and fulfill your New Year's resolution -- with the ultimate gym playlist for 2015, created just for Us Weekly from the fitness-minded pros at Crunch. Find out which tunes to download here!
Kirstie Alley stopped by the Today show on Monday, Jan. 5, to debut a stunning 50-pound weight loss -- see before-and-after photos!
Hot celebs over 40 such as Jennifer Aniston, Demi Moore, Cameron Diaz, Kelly Ripa and more — see the photos
Anna Kaiser, trainer to stars like Sofia Vergara, Kelly Ripa, and Sarah Jessica Parker, reveals exclusively to Us Weekly how to sculpt your arms in just three easy moves -- watch
Former Pussycat Dolls singer Nicole Scherzinger admitted to Cosmopolitan Body magazine that her weight fluctuates and working out is like "pulling teeth" -- read her honest quotes here
Jada Pinkett Smith is displaying her hard work with an ab-baring spread for Shape Magazine's January/February 2015 issue; see the sexy pics
Britney Spears showed off her talked-about body in a skimpy peach bikini, and revealed her diet secrets to Women's Health in its January/February 2015 cover story
Duchess of York Sarah Ferguson has lost nearly 50 pounds after struggling with her weight for years -- see her slimmed-down figure here!
Gisele Bundchen showed she's still every inch a supermodel as she showed off her amazingly skinny, toned bikini body in Costa Rica!
Kristin Cavallari shared a post-workout selfie looking super skinny just seven months after giving birth to her second child, baby boy Jaxson -- see the pic