Last Night's Look: Hit or Miss?

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

KE$HA

Ditching her edgier ensembles for a more elegant style, the singer selects a plunging, long-sleeved minidress with sparkling sandals and a metallic clutch for the ASCAP Pop Music Awards in Hollywood.