They've done it again! Justin Timberlake and Jimmy Fallon educated Late Nightviewers with a History of Rap medley for the fourth time on Friday.
The medley featured everything from the Beastie Boys' "No Sleep Till Brooklyn," The Notorious B.I.G.'s "Hypnotize" and Salt N Pepa's "Shoop" to Macklmore and Ryan Lewis' "Thrift Shop" and Eminem's "Lose Yourself." Plus: Check out Timberlake's and Fallon's sweet dance moves!