Tonight, Justin Timberlake will be givin' it on up to Fallonville and, additionally, he will make HISTORY by being the second guest ever on LNWJF! I can't give away what they have planned, but I can tell you this: it *might* involve impromptu performances with The Roots. Um, YES. To get you warmed up, let's look back at some of Justin's best moments on our grand network:





















































