The 11 most extreme Body Transformations only for a role in a movie
Christian Bale: This A-Lister is known to be a master in the changing his body to portray several film roles. He has been seen in several movies with the most withered, shrunken, overweight and muscle-bound conditions.
The Machinist (2004): Christian Bale lost around 62 lbs.
Batman Begins (2005): He gained around 99 lbs, which was mostly muscles.
American Hustle (2013): He had gained around 43 lbs of body fat.
Bronson (2008): For this movie he has gained approximately 43 lbs of muscles and fat.
Warrior (2011): Gained lean muscle around 30 lbs.
The Dark Knight Rises (2012): Even though Hardy had an absurdly buff Warrior body, but he managed to gain around 30+ lbs of muscle. This means in total he added around 60+ lbs of muscle more to his pre-Warrior build.
Courage Under Fire (1996): To look more withered and gaunt Matt lost close to 50 lbs. And surprisingly, he was only featured in a single scene!
The Informant (2009): He managed to gain around 30 lbs fat.
Invictus (2009); Gained around 15 lbs of muscles and lost around 30 lbs of body fat.
Black Swan (2010): She has always had quite a healthy and fine body weight. But for her role in Black Swan she lost around 20 lbs to portray the role of a professional dancer.
Dallas Buyers Club (2013): To portray the role of an AIDS sufferer, he shed around 38 lbs.