Christina Aguilera Christina Aguilera

Christina Aguilera has signed on for a third season of NBC's The Voice, sources tell The Wrap.

Aguilera would be the first of the judges to sign on for the third season — and to the tune of a reported $10 million. Adam Levine, Cee Lo Green and Blake Shelton are all expected to return as well.

Ratings: Smash opens strong, The Voice doesn't falter

On Sunday, The Voice debuted its second season to 37.6 million viewers following the most-watched Super Bowl in history (111.3 million viewers). Its second outing on Monday stayed strong with 17.69 million viewers and a 4.2 demo rating.