Christina Aguilera In Negotiations For ‘The Voice’ Return

Could Christina Aguilera return to her big red chair in the Fall? According to trusted sources, the Grammy-winning vocalist is in negotiations to return to "The Voice."

During an upfront presentation Monday, NBC confirmed that "The Voice" will air both this Fall 2013 and Spring 2014, within the same time slot on Monday nights. A slight adjustment will be made to Tuesday airings, moving to 9 p.m. (instead of 8 p.m.).

It's unclear when Aguilera might return, but the possibility of a return isn't shocking. When her departure was announced last year, producer Mark Burnett expressed that it was possible to have coaches come and go, noting that breaks were plausible to allow them to tour and promote musical efforts.

"These are current touring artists, so it’s a matter of balancing schedules," he shared last year. "They’re all in demand and we’re just balancing it all."

When Christina Aguilera parted with "The Voice" last year, she did so under a plan to promote her last album, "Lotus."

If Christina Aguilera returns it is likely that Shakira, who joined the panel this Spring, will exit.

Sources say Aguilera's deal could be at or around $12 million.