1. Anne Hathaway was forced to drop a whopping 16 pounds from her already tiny frame for her role as a prostitute in Les Miserables, hitting the set looking incredibly gaunt.

2. Natalie Portman’s scary skinny ballerina body in Black Swan helped earn her an Academy Award, but heath experts were concerned about her dramatic weight loss.

3. Chris Hemsworth majorly buffed up for his role as superhero Thor.

4. Christian Bale is an old pro at getting emaciated. After shedding massive amounts of weight for The Machinist, h