Vote on this week's styles, including Jennifer Aniston, Emma Watson and more stars! You decide – are they fashionistas or flops?
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Updated: Friday Jul 08, 2011 | 11:35 AM EDT
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After defecting to the dark side, Emma bids a fond farewell to Hermione in an Oscar de la Renta confection at the chic London premiere of Harry Potter and the Deathly Hallows: Part 2.
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