At the Met Gala 2019, Lady Gaga, Cardi B, Kim Kardashian West, Kylie Jenner, Kendall Jenner, Celine Dion, Gigi Hadid, Bella Hadid, Harry Styles, Bette Midler, Hailey Bieber, Jared Leto, Gwen Stefani, Lizzo and more of your favorite celebrities helped stage a camp film classic in the halls of the Met Museum, and you have to see it to believe it!