Britney Spears helps The X Factor USA land another season.

Adding Britney Spears and Demi Lovato to the judges table has paid off for 'The X Factor' USA, the show has been renewed for a third season.

Fox has announced its talent show will run for a third series and judge Simon Cowell - who quit the UK version of the show to set up the American program - insists he is ''so proud'' of 'The X Factor' USA and praised the show's fans for all their support.

The music mogul - who sits alongside L.A. Reid, and the newcomers Britney and Demi on the judges panel - said in a statement: ''I couldn't be happier about 'The X Factor' already being renewed for another season.

''I am so proud of the show and the team who have made it this season. I want to thank our incredible sponsors for their support and creativity, and Fox for going out of their way to do everything they can to make this show a success. Most importantly, I have to personally thank our amazing fans for the support and enthusiasm they have given to 'The X Factor'.''

With 'The X Factor' USA's live shows just days away, Simon told the fans to expect ''fireworks'' in the forthcoming episodes, which will be co-hosted by Khloe Kardashian and Mario Lopez.

He added: ''Our main commitment will always be to find great talent, and let's not forget, we are now days away from our first live shows. The gloves are off! Expect fireworks!''

© Bang Showbiz