Vote on this week's styles including Katy Perry, Fergie and more stars! You decide – are they fashionistas or flops?
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Updated: Saturday Mar 12, 2011 | 06:00 AM EST
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From her glittering one-shoulder Valentino haute couture frock to her matching Tabitha Simmons sandals, the perfumer oozes goddess grace to introduce her signature fragrance to Mexico City.
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