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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OLIVIA WILDE & CHRIS HEMSWORTH

It's a picture-perfect (movie) wedding day for Olivia and Chris, who mug for the camera in snazzy bride-and-groom getups on the London set of the biopic Rush.