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1. Anne Hathaway as a leopard bird thing
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2. Tara Reid as Barbie
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3. Heidi Montag as herself
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4. Carmen Electra as herself 15 years ago
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5. Snooki as The Girl On The Milk Carton
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6. Janet Jackson as Hitler
The 6 Worst Celebrity Costumes Of 2010
The definitive list of this year's worst celebrity Halloween costumes.
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