Britney Spears, Demi Lovato to join "The X Factor"

Britney Spears, Demi Lovato
Getty/CBS
(CBS News) After weeks of speculation, Britney Spears and Demi Lovato have officially announced they will join "The X Factor" as judges.

Both stars appeared at Fox's Upfronts on Tuesday in New York to announce the news.

Pictures: Britney Spears

Spears, 30, tweeted the news by posting a photo of herself, alongside Lovato, Simon Cowell and L.A. Reid of "The X Factor":

Lovato, 19, followed suit on her Twitter page:

The announcement comes after a major shake-up after season one, which ended with both Paula Abdul and Nicole Scherzinger leaving the show.

There's no word yet on who will replace Steve Jones as host.

Tell us: What do you think about Britney Spears and Demi Lovato as "The X Factor" judges?

The all new
CBS News App for Android® for iPad® for iPhone®
Fully redesigned. Featuring CBSN, 24/7 live news. Get the App