Vote on this week's styles, including Emma Stone, Heidi Klum and more stars! You decide – are they fashionistas or flops?
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Updated: Saturday Sep 03, 2011 | 06:00 AM EDT
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Promoting I Don't Know How She Does It in London, the star wears a funky floral Prabal Gurung frock with a collar necklace and glitter-platform pumps.
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