Billie Eilish and Olivia Rodrigo have been announced as the musical guests for the final two Saturday Night Live shows of the year.Rodrigo will perform on the show on December 9, joined by Adam Driver on hosting duties. The actor is promoting his role in Michael Mann’s upcoming film Ferrari, which is released in cinemas from December 25.Eilish will play the following week on December 16, with SNL veteran Kate McKinnon set to host.