In the wake of films like Bohemian Rhapsody and Rocketman, Disney is developing a movie musical set to the sweet, sweet songs of Lionel Richie, who currently serves as a judge on the Disney-owned series American Idol. Variety broke the news, and the trade reports that the live-action project is tentatively titled All Night Long. Apparently, Richie sold the pitch to the studio back in January, and it's being developed with a theatrical release in mind. Crazy Rich Asians scribe Pete Chiarelli is currently writing the script, and Richie will produce with his manager, Bruce Eskowitz, as …