Last Night's Look: Hit or Miss?

Vote on this week's styles including Julianne Hough, Whitney Port and more stars! You decide – are they fashionistas or flops?

ALEXA CHUNG

The MTV host gives her denim cutoffs a fall update with opaque tights, a tie-neck blouse, boyfriend blazer and Chanel bag for the Armani Exchange and Elle "Tee" Party in New York City.