14 Celebs Who’ve Dropped Serious Pounds For Roles
Who: Natalie Portman for "Black Swan"
Total Lost: 20 pounds
How? Five to eight hours a day of intense ballet training was enough to shed 20 pounds from Portman's already tiny frame. [Us Weekly]
We Like Her Better When: The transformation may have helped earn her an Oscar for Best Actress, but we like Natalie a bit on the curvier side.