Vote on this week's styles including Reese Witherspoon, Demi Moore and more
stars! You decide – are they fashionistas or flops?
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Updated: Friday Oct 30, 2009 | 11:55 AM EDT
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Ditching her haute couture stage costumes, the singer
keeps it sexy in a clingy dove-gray Calvin Klein Collection dress, sparkling sandals and a mirrored
box clutch for the Art Awards in New York City.
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