Well, they've done it again! Justin Timberlake has been stopping by Late Night With Jimmy Fallon all week ahead of his much-anticipated album release, so of course the guys had to go out with a bang. They did just that on Friday night with the latest in their "History of Rap" series, churning out their fourth hilarious medley. This time, the guys take on Salt-n-Pepa, Jay-Z, the Beastie Boys, and Macklemore — but that doesn't even scratch the surface.
Check out the skit when you