Last Night's Look: Love It or Leave It?We need to talk about Gabrielle Union's flowy number, Carey Mulligan's black-and-white look and other outfits stars were just spotted in. Check them all out, then vote – fashion-forward or fashion fail?

KATY PERRY

Also attending a VMAs afterparty, Katy shows some skin and gives a nod to the '90s in a leather bustier, a plaid Alice + Olivia skirt (Empire Records, anyone?), thigh-high tights, a studded choker and boots that look like they could do serious damage.



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