Gilbert Flores/Deadline via Getty; Mattel, Inc There's no denying that Margot Robbie — and her stylist Andrew Mukamal — are completely devoted to the Barbie bit, making fans all over the world ...

Hanna Lassen/Getty Meet Margot Robbie's siblings. The Barbie star is the third-born child of mom Sarie Kessler's four children. Anya and Lachlan are older, while Cameron is the youngest of the family.