Fallon booked Timberlake for double duty as guest and musical artist, but he wasn't about to let him go without another rendition of their most popular bit, "History of Rap." The fifth installment, which you can watch below, incorporated songs from LL Cool J, NWA, Kanye West and Kendrick Lamar.
If you need a refresher, here's a complete look back at the History of Rap 1 - 4.
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