Justin Timberlake spent a week as Jimmy Fallon's guest on "Late Night". And they busted out another rendition of their popular "History of Rap" mini-performance. Check out the fellas getting their rap medley on inside....
Jimmy & Justin have become known for their double team act of performing what they call the History of Rap. And this time, with The Roots backing them, they gave us Eminem, Salt-N-Pepa, Trinidad James, Hov, and more.
Jimmy's Slick Rick& Busta are hilar. Check out the fellas' 4th History of Rap above.
