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

DEMI LOVATO

Did Simon Cowell give this outfit the OK? His X Factor cohost trades in her punky separates for a flowing, leather-bodice gown, a silver statement necklace and a romantic updo at the Fanta Irresistible awards in Mexico City.



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