The big night is finally upon us, as Netflix has released a teaser trailer for Ryan Murphy's star-studded adaptation of The Prom. Three-time Oscar winner Meryl Streep and late night host James Corden star as Dee Dee Allen and Barry Glickman, two New York City stage stars with a crisis on their hands -- their expensive new Broadway show is a major flop that has suddenly flatlined their careers. Meanwhile, in small-town Indiana, high school student Emma Nolan (newcomer Jo Ellen Pellman) is experiencing a very different kind of heartbreak: despite the support of the high school …