In order to more convincingly play a serial killer Aileen Wuornos in "Monster" Charlize had to gain 14 kg.
Despite the fact that the actress already looked very thin for Oscar-winning role in "Black Swan," she had to lose 9 kg.
For the role in the movie "The Machinist" actor had to lose weight to 55 kg. He lost nearly 30 kg in four months, after which the doctors recommended that he stopped, because they believed that if this goes on, the actor will soon be close to death.
For the role of a drug addict in "Courage Under Fire" Matt Damon has lost 18 kg. After filming the actor during 7 months was under the supervision of physicians as a result of rapid weight loss.
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