Jimmy Fallon and Justin Timberlake bring 'History of Rap 5' to 'Tonight Show'

Jimmy Fallon had a lot of great moments with Justin Timberlake as the host of Late Night, and the good times are continuing to roll as Jimmy transitions to the host of The Tonight Show. The unbeatable duo reunited on Feb.

Jimmy Fallon and Justin Timberlake just gave us another highly entertaining lesson in the "History of Rap." The pals performed a fifth installment of their popular segment on Friday, as they closed out Fallon's inaugural week as host of The Tonight Show.

As we've come to the end of the first week of Jimmy Fallon's The Tonight Show hosting debut, we're scrolling back through the best of Saturday Night Live and Late Night with Jimmy Fallon to find the funniest episodes with Justin Timberlake. “Camp 

Jimmy Fallon closed out the first week of his new gig hosting The Tonight Show with a new installment of one of his most beloved Late Night franchises: the History of Rap. With Friday's guest (and fellow rap historian) Justin Timberlake at his side

Justin Timberlake didn't apologize when he first postponed Saturday night's concert in Buffalo, but he went the extra mile to say he was sorry on national television Friday. The "TKO" singer appeared on "The Tonight Show" with Jimmy Fallon to address