Margot Robbie is a Barbie girl, br in a Barbie world. The 28-year-old will star as Barbie inbr the upcoming live-action movie by br Mattel and Warner Bros. Pictures. Margot Robbie, via statement Margot Robbie, via statement Amy Schumer was originally supposed to play Barbie but left the project due to scheduling conflicts in March 2017. Amy Schumer, via statement It is the first deal announced by the toy company's Mattel Films, led by producer Robbie Brenner.