Last Night's Look: Hit or Miss?

Vote on this week's styles including Sienna Miller, Nicole Richie and more stars! You decide – are they fashionistas or flops?

ASHLEE SIMPSON-WENTZ

The Melrose Place actress sizzles at the TCA Summer Tour party in Pasadena, Calif., in a ruffle-sleeve tweed frock with sheer panels and ankle-wrap sandals.

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