Lavigne filed for divorce from Sum 41 singer Deryck Jason Whibley on Friday in Los Angeles.
The couple were married in July 2006 and have no children together. Lavigne cited "irreconcilable differences."
Lavigne is asking a ruling to block Whibley from receiving spousal support.
Court records show Whibley was granted a request to add Lavigne's last name to his name in December 2007.
Avril Lavigne ready to "mellow out and sing"
Jul 27, 2009 3:00 pm PDT
Get ready to hear a softer side of Avril Lavigne. The Canadian pop singer tells Billboard.com that she's taking a more serious, stripped-down approach to her fourth studio album, tentatively slated for a November release on RCA. "A l...
Avril Lavigne's Show Goes On in Malaysia
Aug 24, 2008 8:00 am PDT
Looks like Avril Lavigne can prove she's "The Best Damn Thing" in Kuala Lumpur after all. The Malaysian government has given the go-ahead for the wannabe punk rocker's gig on Aug. 29 as scheduled, despite scrapping the con...
Malaysia allows Avril Lavigne to hold concert
Aug 23, 2008 7:00 pm PDT
Malaysia has allowed Canadian pop star Avril Lavigne to hold a concert ahead of the country's independence day celebrations, reversing a decision to bar the performance following protests by an Islamist party. The decision to allo...
Avril's "Sexy" Show Gets Scrapped
Aug 20, 2008 1:00 am PDT
If Malaysian officials' logic holds, Avril Lavigne is sexier than Gwen Stefani and the Pussycat Dolls and just as potentially morally corrupting as Beyoncé. The Canadian faux-punkette has become the latest Western pop star to fac...
Avril "Too Sexy" for Malaysia?
Aug 18, 2008 5:00 am PDT
Avril Lavigne is getting under the skin of Malaysian censors. A hard-line Islamic opposition party in the Southeast Asian country is calling on the government to scuttle an upcoming concert featuring the "Sk8er Boi" singer, callin...