Billie Eilish will make an appearance in The Simpsons in an upcoming short titled ‘When Billie Met Lisa’.The short, set to be released on Disney+ on April 22, will feature Eilish and her brother, Finneas, as they invite Lisa Simpson to a jam session in the studio.A synopsis reads: “In ‘When Billie Met Lisa,’ Lisa Simpson is discovered by chart-topping artists Billie Eilish and Finneas while searching for a quiet place to practice her saxophone. Billie invites Lisa to her studio for a special jam session she’ll never forget.”This marks the fourth short from The Simpsons to be released on the streaming service, following the Star Wars-themed ‘Maggie Simpson in The Force Awakens From Its Nap’, the Marvel-inspired ‘The Good, The Bart, And The Loki’ and last year’s ‘The Simpsons in Plusaversary’ to celebrate Disney+ Day on November 12.Billie is guest starring in @TheSimpsons: “When Billie Met Lisa”, the new short streaming April 22 on @disneyplus.