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.

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

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.

Avril Lavigne Is Back. If You Believe That. The Canadian singer, with a new album and a tour, this week addressed a bizarre conspiracy theory that she has been replaced with a doppelgänger.