Last Night's Look: Love It or Leave It?We can't stop talking about the outfits Katy Perry, Amy Poehler and more stars were just spotted in! Check them out, then vote – fashion-forward or fashion fail?

JESSICA PARÉ

Don Draper's on-screen wife looks regal in an emerald-green knee-length L'Wren Scott dress embellished with gold sequins at the collar, accessorized with cuffs and Casadei heels at the N.Y.C. Mad Men celebration.