Guest Stars Tina Fey as Herself Robert De Niro as Himself Seth Rogen as Himself Tracy Morgan as Himself Will Smith as Himself U2 as Themselves Lady Gaga as Herself Lindsay Lohan as Herself Kim Kardashian as Herself Mariah Carey as Herself Mike Tyson as Himself Sarah Jessica Parker as Herself Stephen Colbert as Himself Joan Rivers as Herself Rudolph Giuliani as Himself Joe Namath as Himself
