) The Weeknd, Justin Bieber, Doja Cat, Winnie Harlow, Jaden Smith, Kylie Jenner, and Saweetie. But you know who wasn't there? Miley Cyrus, who spent Halloween night at home reading a book:every single celebrity at a halloween party after they praise about social distancing and staying home while miley cyrus was reading a book alone in bed on halloween night.