Singer Skylar Grey revealed on Twitter that she will also be performing at Sunday's WrestleMania 29 event…

"I'll be performing w/ [email protected] at ‪@WrestleMania‬ Sunday, April 7th live on Pay Per View!! Its [email protected] vs [email protected]"

Grey performs the WrestleMania theme song "Coming Home" along with Sean "Diddy" Combs.