Justin Timberlake & Jimmy Fallon's 'History Of Rap 5' Is Perfect

02/22/2014 01:37 pm ET | Updated Feb 22, 2014

The boys are back together. Justin Timberlake and Jimmy Fallon reunited on "The Tonight Show Starring Jimmy Fallon" on Friday (Feb. 21) and the BFFs brought us the fifth installment of "History of Rap."

The guys closed out Jimmy Fallon's first week hosting "The Tonight Show" with the medley featuring LL Cool J, Salt 'N Pepa, Kendrick Lamar the Beastie Boys and, oh yeah, a sweet homage to Will Smith with the "Fresh Prince of Bel Air" theme song.

Fallon and Timberake rolled out the first installment of "History of Rap" in 2010, and Volume 4 debuted last March. Who wants to start campaigning for a sixth?

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Jimmy Fallon!