Most of the time being a Hollywood actor is all about the glitz and the glamour, but occasionally actors have to go that extra mile to transform themselves for a role. Take a look at some of the most dramatic actor transformations ever seen on film.
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Newmarket Films
Theron ate doughnuts to add 30 pounds to her frame to play serial killer Aileen Wuornos in "Monster." Besides the layers of latex added to her face to alter her complexion, she also wore dentures over her real teeth, had her eyebrows completely plucked out and her hair overheated and thinned.