Sadie Sink chats with ET’s Rachel Smith at the New York City premiere of ‘O’Dessa,’ streaming March 20 on Hulu. The actress dishes on transforming into a singer for her role in the film, sharing which famous artists inspired her performance and how her musical background helped her prepare. She also opens up about the final day of filming ‘Stranger Things’ season 5 and how emotional it was to say goodbye. Plus, Sadie reacts to Millie Bobby Brown speaking out about the public’s criticism of her looks.
