Demi Lovato Joining Britney Spears on X Factor

The network confirms that the pop princesses will costar on the talent competition

Source: http://feeds.people.com/~r/people/headlines/~3/mVyUlhwLiKU/0,,20595326,00.html

Gina Philips Gisele Bündchen Giuliana DePandi Giulianna Ramirez Grace Park Gretha Cavazzoni Gwen Stefani Halle Berry