I didn't have any qualifications when I left school - I had three O-levels.

Talking to celebrities is too much effort. They all think the same.

When I think of invention, I always think of America. You're always seeing ads: 'Have you got the next big idea?' There seems to be that spirit in America of inventions and inventors.

I actually don't understand a word Paula's saying anymore. It's like a new language.

I've had Botox, but then again pretty much everyone I know has. To me, Botox is no more unusual than toothpaste. It works. You do it once a year - who cares?

I don't like kids that are pushed into things by stage mums, but when I can see they are having a good time, they're excited and enjoying the process, then I think it's wrong to discriminate.

We felt the time was right to open up the boundaries, and say to all of America, regardless of your age, whether you're 2, whether you're 100, regardless of what you believe your talent is - juggling, magic, singing - this is the show you can enter. It's as simple as that.