Last Night's Look: Hit or Miss?

Vote on this week's styles including Lauren Conrad, Rihanna and more stars! You decide – are they fashionistas or flops?

MEGAN FOX

Taking a style cue from Angelina Jolie, the Transformers: Revenge of the Fallen star goes for major sex appeal in her slit-to-the-waist red-hot Roberto Cavalli gown with a side cut-out and satin platform peep-toes for the movie's Berlin premiere.