Newly single Adrian Grenier enjoys a day of surf and sand in Los Angeles. (4 photos) view photos »
Adrian Grenier breaks a sweat while participating in the Underwear Affair, a race that raises awareness for cancers below the waist. (2 photos) view photos »
D-listers including Kevin Federline and Verne Troyer attend the Ryan Sheckler X Games Celebrity Skins Classic in Rancho Palos Verdes, California. (5 photos) view photos »
Kelly Ripa and hundreds of other high-heel clad runners participate in the first annual "Live with Regis and Kelly" High Heel-A-Thon held in New York City's Central Park. (5 photos) view photos »
Lance Armstrong and Kate Hudson play tennis in the Pacific Palisades. (5 photos) view photos »
Pop star Pink stays in tip top shape by hitting the beach in Malibu to get her jog on. (2 photos) view photos »
Matthew McConaughey and his pals go surfing in Malibu, California. (4 photos) view photos »
Hottie Hugh Jackman hits the road after a rough workout at Fitness First. (2 photos) view photos »
Plenty of big-name entertainers are also athletes. Which sports do they love? more »
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