Lights! Camera! Fashion!

See the stylish, sexy and outrageous costumes we spotted Dakota Fanning, Elizabeth Olsen, Reese Witherspoon and more A-listers wearing on set

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KEIRA KNIGHTLEY & ADAM LEVINE

Well, Adam's questionable mustache is gone, but in its place is quite the beard. We'll forgive him since it's for a movie, Can a Song Save Your Life?, being shot in N.Y.C. with Keira.