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The Best Celeb Halloween Costumes of the Past

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November 1, 2011 - more pics like this »
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Although they're often the subject of costumes themselves, Hollywood's favorite stars pull out all the stops when it comes to dressing up on Halloween. From sexy to spooky, these celebrities went all out. To help you brainstorm your own Halloween costume ideas, we've rounded up the best star-studded disguises from years past. Trick or treat!