Last Night's Look: Love It or Leave It?We can't stop talking about the outfits Selena Gomez, Jessica Chastain and more stars were just spotted in! Check them out, then vote – fabulous or fashion fail?

MILA KUNIS

The actress proves it is possible to look cool standing next to a giant photo of yourself while féting her Gemfields ambassadorship at a West Hollywood bash in a lace tiered Elie Saab shirtdress, Victor Velyan ring and ivory pumps.