Last Night's Look: Hit or Miss?

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

ALICIA KEYS

The charitable singer goes for the gold, dressing up her black stovepipes with a glitzy sharp-shouldered top (both by Louis Vuitton), chandelier earrings and bejeweled sandals at the Zo's Summer Groove fund-raising event in Las Vegas.