When a music teacher that I had at school was taken ill and we had a variety show and I had to fill in - that's when I realized I had a voice.
I'm just not a private person. It's not like I do things because I want things to be public it's just that's my way of expressing myself, and I happen to be very famous.
But Dad and I are the only father-and-daughter acts who have both had No. 1 songs in England.
I love MySpace it's done an amazing job for me and it's been insane over the past couple of weeks, but I'm not a poster girl for them.