Last Night's Look: Love It or Leave It?We can't stop talking about Kristen Stewart's underwear-baring ensemble, Jessica Lowndes's sexy LBD and more outfits that stars were just spotted in. Check them out, then vote – fashion-forward or fashion fail?

KRISTEN STEWART

What's black, sheer and hella sexy all over? Kristen's Zuhair Murad ensemble made up of a strapless, silk bustier top and sheer, beaded pants. She accessorizes the look with metallic pumps and an on-trend side braid at the designer's fashion show in Paris.