Last Night's Look: Hit or Miss?

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

  • KATHERINE HEIGL photo | Katherine Heigl

Credit: John Paul Filo /Landov

Updated: Friday Jul 24, 2009 | 11:35 AM EDT

KATHERINE HEIGL

Giving casual the cold shoulder, the actress stuns in an elegant asymmetrical dress and peep-toe pumps for her appearance on The Late Show With David Letterman in N.Y.C.