Music mogul says he's the one who's unstable...

We've heard varying reports about Britney Spears' performance as a judge on the US X Factor. These range from Britney walking off set and being rude to Simon to the singer being a tough but fair judge.

Now Simon Cowell has spoken out to put the rumours to rest, professing that it's actually him that's the unstable judge, not Britney.
Talking to X17 Online, he commended Spears for doing a "great job" and revealed that people are going to be surprised by the "tough judge".

Related: Is Britney Spears ready for conservatorship to end?

He told them: "No she's not unstable, I'm the one who's unstable! She's working out great, I mean, all these reports that we've fallen out, it's nonsense. She's doing a great job."

Then added: "Do you know what? Like I said, she's been amazing. She's really taking time to learn how to do this. She's got her confidence up.

"Once people give her a chance, I think people are really going to get her. She's gonna be a big surprise. She's a tough judge."

We're sure that Britney's going to be be amazing and we can't wait to see her in action.