 Robbie began 2019 by starring as a femme fatale in "Dreamland", a period crime thriller set during the 1930s Dust Bowl, which she also produced.She next agreed to portray the actress Sharon Tate in Quentin Tarantino's comedy-drama "Once Upon a Time in Hollywood", starring Leonardo DiCaprio and Brad Pitt, due to her desire to work with Tarantino.To prepare, she read the autobiography "Roman by Polanski", by Roman Polanski, who was married to Tate.