03/16/2013 01:13 pm ET | Updated May 16, 2013

History Of Rap Part 4: Justin Timberlake And Jimmy Fallon Do Another Epic Hip Hop Medley (VIDEO)

Justin Timberlake and Jimmy Fallon closed out "Timberweek" on "Late Night" Friday night with their fourth edition of the ever-popular "History Of Rap."

Watch as Fallon and Timberlake rap and dance their way through another epic hip hop medley above. Enjoy it online while it lasts, as these videos are typically removed after a period of time.


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