Jimmy Fallon, Kenan Thompson

It's the Saturday Night Live we've all been waiting for: Jimmy Fallon is returning to host with musical guest Justin Timberlake.

Check out the best performances of 2013

In the promos for the last new episode of the year, Fallon is joined byKenan Thompson as the two hype up Timberlake. In one promo Thompson holds a scarf over his face pretending he's the "Sexy Back" singer while in another the two mumble their way through a duet of "Mirrors."

Watch:

Are you excited for Fallon and Timblerake to return? Check out their History of Rap in case you need a reminder of their past awesome collaborations.