At 20, you're cocky and you think you can rule the world, and you get it all wrong.

I got good advice once. Someone said to me: 'Live in your money rather than look at it.

I think America is a hard nut to crack. But once you get a toehold, it's a great place for an entrepreneur because people are so enthusiastic, and you have the most enthusiastic audiences in world.

Maybe I am a bit mad.

Everyone who turns up on 'X Factor' does it because a door has been closed to them at some time in their lives, and this is the only shot they have got.

We have hated the French for years. Now you have just joined the club. It makes you much more likable.

I was so tired, wasn't having fun any more, and wasn't sure if I wanted to do this any longer. So I turned my phone off and sorted my head out. It was the opposite of a breakdown really, it was a break-up - I got rid of all the idiots, realised my job was supposed to be fun, and got on with my life.