We already reported on Nicki Minaj opening for Britney Spear's new tour, but we're told that's not all!

Christina Aguilera's management has reached out to Britney Spears and plans for the long feuding pop stars to tour together are underway.

Christina is set to be a judge on NBC's new reality music show "The Voice," premiering April 26. Britney and Christina's unnamed tour is set to begin June 17 in Sacremento.

April Fools!