Here are some interesting rumors re. Wednesday’s finale:

– Extra is reporting that Britney Spears is rumored to be taking the stage with Lionel Richie, Carlos Santana, Cyndi Lauper, Queen Latifah, Black Eyed Peas, Keith Urban and David Cook.

– Jason Mraz, according to his website, will appear.

– Keith Urban will do a duet with Kris Allen

– KISS and David Bowie will do duets with Adam Lambert.