STAYS ON THE MOVE!

PATRICK DEMPSEY
Cycling keeps him fit. "I'm trying to get up to 50 miles a day," says Dempsey, 42; dancing in Enchanted was also "a great workout."

OCTOBER 2006

DROPPED TWO DRESS SIZES!

KELLY OSBOURNE
The 23-year-old star has dropped "two stone" (28 lbs.) since starring in London's Chicago. But she told the Mail on Sunday, "I would never want to be perfect. I like that I have round bits."

DECEMBER 2006

TAKES PRIVATE YOGA LESSONS

IVANKA TRUMP
Ashtanga Vinyasa yoga toned up the businesswoman and former model, 26. "We do a combination of stretching and strength," says her instructor Troy Mills.

AUGUST 2007

CUT OUT RED MEAT AND DESSERTS!

SIMON COWELL
At 48, he credits push-ups—"100 in the morning and 100 in the evening"—with winning "Torso of the Week" in a British magazine.

SEPTEMBER 2006

SHE LOST 28 LBS.!

KRISTY SWANSON
After having a baby last year, the Medifast diet spokeswoman, 38, says, "My face and stomach went down, and my butt and thighs look great!"

JUNE 2007