Last Night's Look: Hit or Miss?

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

TAYLOR SWIFT

After trying out straight hair and shaggy bangs last week, the birthday girl takes her hitting her twenties in stride, returning to her signature ringlets on the Jingle Ball red carpet in a metallic Jenny Packham minidress and matching pumps.