Millie Bobby Brown has confirmed that she no longer believes the Earth is flat. Back in 2018, when she was only 14 years old, the Stranger Things star told her fans during an Instagram Live Q&A session that she had seen a conspiracy theory video and now considers herself "a flat-earther". During an appearance on Vanity Fair's lie detector test video series on Thursday, the interviewer brought up her comments and Millie stifled a laugh and replied, "Unfortunately, yes I did.