If there is ever a Halsey biopic, Millie Bobby Brown wants to be cast for the role!
When Halsey was asked about Millie playing her, she said, "Millie would be great, but I don't really think I'm famous enough to cast Millie ... you'll do it though, right?"
She also said, "No, Millie would be so great. I mean, it's kind of uncanny how much we look alike. It's like, 'Oh, no. We actually just look like sisters.'"