Tonight guests are actress Jennifer Lopez and actor Keenen Ivory Wayans.
Also Jeopardy! Categories; Brian Williams raps "Baby Got Back"; Jimmy and Steve Higgins visit Ollivanders at The Wizarding World of Harry Potter; Jennifer Lopez performed "First Love".
Jay Leno is due to depart his seat as anchor of 'The Tonight Show' after the coverage of the Winter Olympics in February 2014. Jimmy Fallon will then move away from his 'Late Night' slot to the earlier slot. Lorne Michaels will executive produce the show which will air from New York's 30 Rockefeller Plaza.