Last Night's Look: Love It or Leave It?Check out the head-turning outfits Katy Perry, Lea Michele and more stars were just spotted in! Then decide – fabulous or fashion fail!

DIANE KRUGER

The City of Light shines a little brighter thanks to the actress. She helps illuminate the Christmas decorations on Paris's Champs-Élysées wearing a belted olive Lanvin look, black Brian Atwood booties and an intricately braided hairstyle.