Katy Perry jumped on stage when The Stones were performing at the MGM Grand in Vegas this past weekend ...

Thats a done deal! Seth Meyers will replace Jimmy Fallon, when Jimmy replaces Leno.

Seth is a funny dude and is currently the lead writer for SNL

See more HERE

PS

I did tell you this was going to happen back on April 3rd >>> SEE HERE >>> TOLD YA!

 ****(WARNING: Bad Language)****

According to The Hollywood Reporter Adam will be getting his own NBC deal.

Adam got a one year development deal to create both scripted and alternative programming