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?

DITA VON TEESE

Sticking to her signature red lipstick, the burlesque star adds some spotted tulle to a bustier navy Alexis Mabille dress for a DSquared party in Cannes.