Last Night's Look: Love It or Leave It?Check out the head-turning outfits Diane Kruger, Selena Gomez and more stars were just spotted in! Then decide – fashion-forward or fashion fail!

DIANE KRUGER

Looking like a 1940s film siren, the actress accents her midnight jumpsuit with strappy sandals, a retro updo and red lips at the opening of a Jaeger-LeCoultre store in Paris.