Half Their Size: Celeb Edition!

These stars embraced slimmer silhouettes for new roles, onscreen and off

  • JACK OSBOURNE photo | Jack Osbourne

Credit: Bauer Griffin; Ginsburg-Spaly/X17

Updated: Thursday Dec 29, 2005 | 12:00 PM EST

JACK OSBOURNE

"I'm so fed up of being overweight," Ozzy's son told trainer Mike Weeks in March. Six months later and 47 lbs. lighter, he would be fit enough to climb El Capitan, a 3,000-ft. granite wall in Yosemite. How he did it: kickboxing and giving up Oreos and Pop-Tarts for vegetables and fish. Says mum Sharon Osbourne: "Miracles do happen."