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Vote on this week's styles including Paris Hilton, Penélope Cruz and 28 more stars! You decide – are they fashionistas or flops? By Melissa Liebling-Goldberg
Credit: James Devaney/WireImage
Updated: Friday May 09, 2008 | 11:40 AM EDT
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The heiress makes a sophisticated entrance into The Late Show with David Letterman in a paneled bustier and pencil skirt.
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