The Tonight Show Starring Jimmy Fallon Season 2 Season 2, episode 60 LL Cool J, Rose Byrne, Big Sean April 20, 2015 45 min Actor/musician LL Cool J; actress Rose Byrne; rapper Big Sean. Previous episode Kevin James, Vanessa Hudgens, Dan White Next episode Blake Lively, Brian Grazer, Nate Bargatze, ‘Weird Al’ Yankovic