Comedy queen Tiffany Haddish is set to produce and star in the Amblin comedy Homecoming Queen, which is inspired by Haddish's own trip to Africa. According to the Hollywood Reporter, which broke the news, Haddish once traveled to Africa thinking she was royalty, only to find out that being "royalty" means something completely different there. I can just picture Haddish charming a room full of Amblin executives with this story, and production president Holly Bario thinking, 'well, that could be a movie right there.' Bario and Amblin VP Mia Maniscalco will oversee the project for the studio, which has …