Celeb Fashion Hit or Miss?

Vote on this week's styles including Eva Mendes, Nicole Richie and more stars! You decide – are they fashionistas or flops? By Andrea DeSimone and Melissa Liebling-Goldberg

CHRISTINA AGUILERA

The singer turns up the sex appeal for her first post-baby performance in a gold sequined dress and Stephen Webster jewelry at a party for the designer in Las Vegas.

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