NBC and Jimmy Fallon can't wait to push out Jay Leno at the Tonight Show. Jay Leno in turn has announced his last guest. 

Fallon doesn't hit the air as the Tonight Show host until next month, but he already has his first guest and musical act lined up for the debut show.

The Tonight show is also moving back to New York after being in LA for decades.

So he is the first guest and musical act?

Will Smith will be Fallon's first guest and he has landed U2 as the musical guest.

Smith has been on Fallon's show before, but this will be the first time for U2. 

As for Leno, he says that Billy Crystal will be his final guest. Crystal was also Leno's first guest.