Vote on this week's styles from Mary-Kate Olsen, Rihanna, Blake Lively and more stars! You decide – are they fashionistas or flops? By Melissa Liebling-Goldberg
Credit: Eric Ryan/Getty
Updated: Friday Feb 29, 2008 | 11:35 AM EST
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The Grammy winner arrives at the Chanel runway show in Paris sporting an oversized patterned sweater and funky neon blue t-strap pumps from the design house's Paris/London Collection.
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