The Prom, that joyful Broadway musical about stage actors who want to help a young gay kid attend her prom as herself, is coming to Netflix as a Ryan Murphy movie, which makes sense, because he's contractually obligated to direct literally every piece of content on Netflix these days! We've got the first images from the multi-colored musical film, including a star-studded cast like Meryl Streep, Nicole Kidman, James Corden, Keegan-Michael Key, Kerry Washington, and Andrew Rannells dressed to the nines and ready to sing. Plus: Some newcomers like Jo Ellen Pellman are here to …