25 Shocking Celebrity Weight Changes

A look at fad diets celebrities have used to shed or gain weight fast.

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Charlize Theron

The actress gained 30 pounds eating doughnuts, and was almost unrecognizable as a prostitute and serial killer in 2003's Monster.

She returned to her normal weight even before the film's premiere. Theron, 38, who has said she is usually around a size 8 and likes her curves, went on to win the Golden Globe for Best Actress for the role.

Next: Star Jones Reynolds

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