Last Night's Look: Hit or Miss?

Vote on this week's styles by Blake Lively, Mariah Carey and more stars! You decide – are they fashionistas or flops?

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NICOLE RICHIE

Pregnancy isn't slowing down this hot mama, who hits the red carpet in L.A. for her jewelry line's runway show in skin-tight black leggings, a matching belly-hugging top, a satin-trimmed short-sleeve cardigan and sky-high gladiator sandals – plus a necklace and hippie headband from her House of Harlow 1960 collection.