Heath Ledger locked himself in a hotel room for a month to prepare for his iconic role as the Joker in The Dark Knight
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As a child, Jim Carrey wore tap shoes to bed just in case his parents needed cheering up in the middle of the night.
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Jason Earles played as a teenager in Hannah Montana, but he was actually born in 1977.
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The Rock accidentally knocked out Michael Clarke Duncan while filming a fight scene for The Scorpion King and had a custom Rolex made as an apology gift, but liked the watch so much that he kept it for himself.
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Until he turned 12, Robert Pattinson's elder sisters dressed him up as a girl and introduced him as "Claudia" to strangers.
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Nicole Kidman is scared of butterflies.
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When he was 7, Vin Diesel and some friends broke into a New York theater with intentions to vandalize it. Instead of calling the police, the theater’s artistic director handed them scripts and offered them parts in the upcoming show. This became Diesel’s first acting role.
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