Last Night's Look: Love it or Leave it?Check out the head-turning outfits Kim Kardashian, Duchess Catherine and more stars were just spotted in! Then decide – fabulous or fashion fail!

KATHARINE MCPHEE

Props to the Smash actress for working two tricky fall trends – a black peplum top and wide-leg trousers (both by Rebecca Taylor) – at the designer's show in N.Y.C.