Avril Lavigne and Hilary Duff: You Growl, Girls By Allison Stewart April 15, 2007 at 1:00 a.m. EDT ...

Hilary Duff has revealed her version of her feuds with Avril Lavigne and Lindsay Lohan. The 20-year-old annoyed Lavigne in 2003 after criticising her attitude towards her admirers.

When asked to name names, the Canadian singer complained, "People like Hilary Duff. I've never heard her sing live. Each time I've seen her perform, she lip-synchs.