The fashion world's already gone cray-cray for Barbie (what with Jeremy Scott at Moschino dedicating his Spring '15 collection to the doll) and now it seems Hollywood's joining the fan club too. Sony Pictures has announced that a live-action movie is in the works with Oscar-winning indie screenwriter Diablo Cody (who wrote Juno) signed on to helm it. Now: crucially, the movie is as-of-yet uncast, so let's imagine which celeb should take on the lead role. The competition is, like, rly tough.