Last Night's Look: Hit or Miss?

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

  • RIHANNA photo | Rihanna

Credit: Humberto Carreno/Startraks

Updated: Friday May 29, 2009 | 12:00 PM EDT

RIHANNA

Balancing feminine appeal with her love of fashion-forward design, the singer adds some sizzle to New York's city streets in a black-and-tan strapless halter dress with ruching over the hips.