This week, Barbie's lead hair and makeup artist, Ivana Primorac, is taking us through her process for developing the many looks in Greta Gerwig's film. She's speaking about everything from landing on the perfect shades of blonde for Margot Robbie and Ryan Gosling to how she was able to draw on Mattel's archive for inspiration. Plus, she shares what went into the creation of Weird Barbie.