NEW YORK (AP) — The highly anticipated 50th anniversary celebration of “Saturday Night Live” will feature appearances from a star-studded lineup, including Steve Martin, Sabrina Carpenter, Bad Bunny, John Mulaney, Dave Chappelle, and many more familiar faces from the show’s illustrious history. Alongside these prominent guests, a number of beloved alumni, including cast members from its inaugural season, will also take part. Scarlett Johansson, who is married to Weekend Update co-host Colin