Last Night's Look: Hit or Miss?

Vote on this week's styles including Blake Lively, Ashlee Simpson-Wentz and more stars! You decide – are they fashionistas or flops?

  • MARIAH CAREY  photo | Mariah Carey

Credit: Ramey

Updated: Friday May 22, 2009 | 11:35 AM EDT

MARIAH CAREY

The diva celebrates her Cannes film debut at the premiere of Precious in a curve-hugging black Dolce & Gabbana gown and Chopard jewels.