Last Night's Look: Hit or Miss?

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

ANNE HATHAWAY

After rapping on Conan, the One Day star makes a more formal turn in a black-and-white, tuxedo-inspired ensemble with a Dolce & Gabbana tee for an appearance on the Late Show in N.Y.C.