Last Night's Look: Love It or Leave It?We can't stop talking about Lily Collins's printed dress, Kate Mara's sexy mini and more outfits that stars were just spotted in. Check them out, then vote – fashion-forward or fashion fail?

LILY ALDRIDGE

Yes, this model is posing in pretty clothes, but no, it's not for Fashion Week. Lily celebrates the launch of her collection for Velvet (benefiting St. Jude Children's Hospital) in Brentwood, Calif., in a neon long-sleeve mini of her own design.