He and Cowell had discussed collaborating but hadn't hit on the right project.

FORBES: Magazine Article

The X Factor isn't exclusively tied to Sony Music, the company that distributes Cowell's SyCo label.

BBC: The X Factor takes on the world

"I couldn't be happier that Demi wants to come back this year, " said Cowell in a statement.

CNN: Demi Lovato returning to 'The X Factor'

But the show, started by Mr. Cowell after he left "Idol" in 2010, hasn't done as well as he hoped.

WSJ: 'X Factor' Producer Proposes Truce

Naturally, Cowell will stick around but Reid and Spears both said they won't return.

CNN: Demi Lovato returning to 'The X Factor'

"I couldn't be happier about 'The X Factor' already being renewed for another season, " said Cowell in a statement.

CNN: Fox orders third year of 'The X Factor'

Mr. Cowell says he, too, has a couple of surprises up his sleeve, though he won't offer details.

WSJ: 'X Factor' Producer Proposes Truce