Most things in music go full circle eventually.

Every time I sat in a chemistry lesson I thought, what am I doing this for? I don't ever want to be in a job that involves a Bunsen burner.'

You always want to go to a party where you get an invite.

I can't stand stage mothers. It doesn't work. You definitely feel that with the new generation of pop stars right now they've all managed to work it out for themselves. You have to have confidence in that. When you're young, you know your market better than I will. I love having young people on the show because I can learn from them.

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.

I like to know why a video has suddenly gone viral, why a song has broken, why a TV show is suddenly rating out of pattern... I'm pretty good at understanding why things are becoming popular.

I can't think of one person who is on TV who isn't vain. It's the nature of the beast. If you are on TV then you have a vanity, for sure. Just admit it! Why not?