Last Night's Look: Hit or Miss?

Vote on this week's styles by Blake Lively, Mariah Carey and more stars! You decide – are they fashionistas or flops?

  • HAYDEN PANETTIERE photo | Hayden Panettiere

Credit: Revolutionpix/INF

Updated: Friday Jun 05, 2009 | 11:35 AM EDT

HAYDEN PANETTIERE

The star makes sure to sizzle at the Spike TV Guys' Choice Awards in L.A. in a sparkling micro-minidress, sky-high heels, crystal clutch and tousled blonde waves.