It’s been more than a decade since Margot Robbie left her homeland of Australia to make it in Hollywood. Since then, she has made audiences cry and laugh, and she even brought people back to movie theaters, as Barbie became a global phenomenon. So, how’d she do it? Robbie’s an actress who — without going method — commits to immersing herself into her characters through extensive preparation, including learning how to ice skate, performing her own stunts, aerial work and working out for hours every day, as well as conducting thorough research to understand her character’s mindset. All of that work is designed to give the most authentic performances while either portraying real-life people, such as Tonya Harding and the late Sharon Tate, or fictional characters, including Nellie LaRoy, Kayla Pospisil, and her three beloved interpretations of Harley Quinn (though we’re only counting her best one!). In addition to becoming a household name, Robbie is a three-time Oscar nominee. Yes, three, she earned the third nod as a producer in 2024’s best picture category for …