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

LIAM HEMSWORTH

Duty – and some seriously '70s attire! – calls for Miley Cyrus's fiancé, who gets back into the groove on the New Orleans set of Empire State after popping the question.