Vote on this week's styles including Cameron Diaz, Blake Lively and more stars! You decide – are they fashionistas or flops?
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Updated: Friday May 29, 2009 | 12:00 PM EDT
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The Gossip Girl star helped celebrate Burberry Day in New York City by donning a menswear blazer, glittered mini skirt and patent pumps from the luxe British label at the soirée in honor of the company's new Manhattan headquarters.
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