The Best Transformation of Stars for Their Movie Roles

We all love to be at the top of our craft, and actors and actresses are no different. In this collection of snaps you can see those hard working screen stars before and after they made big changes to their bodies.

Christian Bale lost about 70lbs in 3 months for the Machinist


Charlie Sheen built muscles for Hot Shots! Part Deux


Russell Crowe gained 63lbs for Body of Lies


Jake Gyllenhaal gained 25lbs of muscle for Jarhead


Ben Stiller build some muscles for Tropic Thunder


George Clooney gained 30lbs of fat for Syriana


Linda Hamilton toned up really well for Terminator 2


Hilary Swank put on a lot of muscle of Million Dollar Baby


Mr. Stallone put on about 40 lbs of fat for Copland


Tom Hanks lost about 50lbs for his movie Cast Away


Renee Zellweger gained a lot of weight for both Bridget Jones movies


Demi Moore gained muscle for G.I.Jane doing one arm pushups


Jessica Biel gained some really defined muscles for Blade Trinity


Matt Damon lost 40lbs for Courage Under Fire


Gerard Butler gained muscle for 300


Ed Norton (yeah the skinny dude) gained muscles for America History X


Charlize Theron became ugly and gained a lot of weight for Monster


Eric Bana Ballooned up for his role in Chopper


Ryan Renolds packed on some serious muscle for the Blade movies