Sweating with the Stars

Hilary Swank, currently filming the upcoming thriller The Resident, does some roadwork on location in Brooklyn.

Janet Mayer / Splash News

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Grey’s Anatomy’s Eric Dane was spotted on the beach last week in Malibu. If only Seattle was sunnier, maybe McSteamy could get a little workout time onscreen?

Marcos Vasquez, FilmMagic / Getty Images

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It should be a crime how flawless Carrie Underwood looks—even in the middle of a softball game. The country singer played at the City of Hope Celebrity Softball Challenge in Nashville, Tennessee, and kicked off the Country Music Awards festival.

Frederick Breedon / Getty Images

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Construction on the crowded streets of Manhattan can’t stop Justin Timberlake from working out. He has to do something to keep up with girlfriend Jessica Biel, who said recently she exercises five hours a day if training for a film role.

Soul Brother, FilmMagic / Getty Images

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Five-time Sports Illustrated swimsuit cover girl Elle Macpherson sure loves the environment. This summer, she helped launch Skyride, a summer of free cycling events in London’s Regents Park.

Tim Whitby / Getty Images

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Canadian songstress Alanis Morissette made a bid to get healthy at the beginning of this year, and adopted the vegan plan made famous in Dr. Joel Fuhrman’s Eat to Live. Since last year, she’s dropped 20 pounds by lifting weights, running, and biking.

Fame Pictures

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Ben Stiller took to Hollywood’s second favorite hotspot (after the red carpet) and jogged his way up to Runyon Canyon, the Los Angeles park where Amanda Bynes, Justin Timberlake, and Jessica Biel also run.

Element / Fame Pictures

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Justin Long and Drew Barrymore may—or may not—be dating again in real life, but they looked cozy enough last week in Central Park while filming Going the Distance, a romantic comedy about the trials of a long-distance relationship.

Ray Tamarra / Getty Images

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Since her surprising split with boyfriend Tony Romo, Jessica Simpson’s new hobby appears to be slimming down (even more) and busying herself with extensive workouts. She’s reportedly on a “revenge diet” and said she wants her old body back. Lately she visited a Los Angeles park for a morning jog with her hairdresser’s three dogs. That’s…not sad at all.

Fame Pictures

Sweating with the Stars

Hilary Swank and Eric Dane run hard. Elle and Alanis pedal their way slim. And Drew Barrymore enjoys a little touch football. VIEW OUR GALLERY of Hollywood’s fittest.