Avril Lavigne shot out of Canada and straight into the top of the charts almost a year ago.
But how much do you know about the teen songstress?
Find out all you want in Avril Lavigne: the Unofficial Book. We had three copies to give away.
The winners are:
Nathaniel, 11, Hemel Hempstead
Greta, 13, London
Sadie, 14, Weston-Super-Mare
who knew Avril's fist single was called Complicated.