The South-African born Theron, who won the 2004 Academy Award for best actress for her portrayal of serial killer Aileen Wuornos in "Monster," vows to prove her critics wrong, teenhollywood.com reports.
"Since the Oscar, everybody has been waiting to see what would happen, would I fall on my face," says Theron, 30. "Forget it. I've worked hard to get here and I'm not going to disappear -- I'll just reappear in different guises."
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