Demi Lovato has officially signed on to join Simon Cowell, Antonio "L.A." Reid and Britney Spears on the judging panel for the second season of The X Factor.

Lovato and Spears will replace judges Paula Abdul and Nicole Scherzinger, who departed after just one season of the show.

TMZ.com broke the news Sunday evening and also reports that both singers will be in New York City on Monday to be introduced by FOX a the fall season Up Fronts.

The show's host, Steve Jones, was also let go at the end of season one, but he has yet to be replaced. Rumor has it Miley Cyrus wants the job and is being considered. She's also reportedly a favorite of Cowell's.