Last night on The Tonight Show with Jay Leno, comedian Louis C.K. confesses that he’s a Percocet addict and will go to GREAT lengths for a bottle of it. Plus: Precious star Gabourey Sidibe tells Conan O’Brien quite directly what his female fans want to do with a piece of that “hot Cocoâ€; in an episode of cute animals (awww, well, kind of), David Letterman hosts a mini-fashion show for … rats; and Elijah Wood shows he’s got rhythm with his entrance on Late Night with Jimmy Fallon. Watch our compilation to see what you missed.