Last Night's Look: Hit or Miss?

Vote on this week's styles including Amy Adams, Hilary Duff and more stars! You decide – are they fashionistas or flops?

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NATALIE PORTMAN

The No Strings Attached star opts for chic maternity style in a black-and-tan Vena Cava halter dress with bright collar, Tiffany & Co. jewels and Aldo shoes at the film's Westwood, Calif. premiere.