Last Night's Look: Love It or Leave It?

Check out the head-turning outfits Eva Longoria, Scarlett Johansson and more stars were just spotted in! Then decide – fabulous or fashion faux pas?

JENNIFER LOPEZ

Abs-olutely fabulous! The star flaunts her ridiculously toned midsection in a cutout peekaboo Hervé Léger by Max Azria mini, strappy sandals and plenty of jewels (including a Pomellato bracelet and Jacqueline Nerguizian ring) at the American Idol performance show in Hollywood.