Half Their Size: Celeb Edition!

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


When he moved from Baltimore to Hawaii to shoot ABC's Lost, O'Quinn (left, in 2004; right in September) dropped 20 lbs. "You do a lot more walking and swimming in Hawaii, and you eat more fruit," says O'Quinn, who also takes long bike rides with wife Lori. Plus, it keeps him in character as hunter-philosopher John Locke: "We're supposed to be on an island and slimming down."