Last Night's Look: Hit or Miss?

Vote on this week's styles including Diane, Vanessa, Katie and more stars! You decide – are they fashionistas or flops?

MICHELLE MONAGHAN

The actress goes sleek in a nude Roland Mouret sheath with caped sleeves, pairing it with Solange Azagury-Partridge earrings, M.C.L. by Matthew Campbell Laurenza bangles an exotic clutch and black Brian Atwood pumps at a Forevermark event honoring Oscar nominee Michelle Williams in L.A.