After Saturday Night’s Live’s 40th anniversary special ended, the star-studded celebration continued at New York’s Plaza Hotel. The afterparty featured even more celebs, including Beyonce, Jay Z, Leonardo DiCaprio, Ariana Grande and Paris Hilton, all of whom were spotted in photos and videos snapped by castmembers and others who were lucky enough to score an invite. Musically inclined guests and SNL alumni also took to the stage for some unusual collaborations, which were captured on videos floating around on social media.