The Evolution of Hip-Hop Dancing, By Will Smith and Jimmy Fallon

This is not Jay Leno's 'Tonight Show.'

From the very first night of the new Tonight Show, starring Jimmy Fallon and the Roots Crew, comes a welcome reminder that Jay Leno has mercifully left the building. Without further ado, Will Smith and Fallon, making moves.

All that’s missing is a slow-ride along the Schuylkill in magic chairs that move by themselves.