15 Celebs, Including Natalie Portman & Chris Hemsworth, Who Went Through Major Weight Transformations For A Role

Earlier this week, Zac Efron was spotted with a beefed up body on the set of his upcoming movie, The Iron Claw.
Fans could barely recognize the 35-year-old actor, and yet, also expressed concern over how much he beefed up for the role after opening up about how doing the same for Baywatch affected his health in the long run.
However, Zac is not the only star who has transformed his body for a movie role.
Click inside to see which other stars made major transformations for roles…
Photos: Getty
Posted To:Anne Hathaway Chris Hemsworth Christian Bale EG Extended Natalie Portman Slideshow Taylor Lautner Zac Efron
