Last Night's Look: Hit or Miss?

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

  • ISLA FISHER photo | Isla Fisher

Credit: Tina Kaawaloa/INF

Updated: Saturday Feb 19, 2011 | 06:00 AM EST

ISLA FISHER

The star has a blue Valentine's Day, wearing a ruffled teal Temperley London minidress, Lulu Frost jewelry and silver Sergio Rossi pumps to the premiere of her animated film Rango.