Last Night's Look: Hit or Miss?

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

PENÉLOPE CRUZ

While dodging questions about an engagement, the Oscar-winning star kept up her glamorous front in a curve-hugging black L'Wren Scott sheath and patent pumps for a visit to The Late Show With David Letterman.