MTV.com News — Singer and Sum 41's Deryck Whibley separated last month.By MTV News staff Avril Lavigne Photo: Peter Kramer/Getty Images Avril Lavigne has filed for divorce from Sum 41'sDeryck Whibley, according to TMZ and People.com which cite court docu... more info

Perez Hilton — These two deserve each other! Although Avril Lavigne and Greasy Bear aka Brandon Davis have been pAArty pals for awhile, it turns out Avril spent a month on a yacht in St. Tropez with the douchebag this summer! All while still married to Sum-41 hubby... more info

Live Daily — Avril Lavigne [ tickets ], in a statement on her official website, said that she and Sum 41 [ tickets ] member Deryck Whibley are splitting after three years of marriage. "Deryck and I have been together for 6 and a half years," Lavigne wrote. "We... more info

411 Mania — Avril back on the market... more info

Yahoo! Music UK — Dotmusic - Canadian pop star splits with Sum 41 man more info

MTV.co.uk News —   Avril Lavigne has confirmed that she has split from Sum 41’s Deryck Whibley after three years of marriage.  There has been speculation suggesting that the marriage was on the... more info

Chorus.fm — *Sum 41* (http://www.absolutepunk.net/sum41) will begin recording their new album November 1st (http://twitter.com/Sum41/status/4072486165). Submitted by WhoSaidThat? more info

VH1 News — Avril Lavigne has confirmed her split with Sum 41's Deryck Whibley. "Deryck and I are separating and moving forward on a positive note," the singer wrote on her MySpace page. more info

E! Online — So much for Avril Lavigne's happy ending. The punky pop princess has confirmed what the rumor mill already knew—she and Sum 41 frontman Deryck Whibley are separating after... more info

The Daily Mail — The 24-year-old pop punk princess is said to have asked the Sum 41 star to leave their home after months of speculation about the state of their marriage. more info