Whether they chopped off their hair, gained and lost some serious weight, spent hours in the makeup chair, or even got their skin pierced, these actors underwent incredible and sometimes dramatic transformations to become their characters.
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Charlize Theron – Monster
Gorgeous model and actress Charlize Theron went from glam to gritty for her portrayal of Aileen Wuornos in Monster
. Theron gained weight, wore dentures, thinned her hair and even sported washed-out tattoo ink to give her skin an unhealthy sheen.