Court records show Avril Lavigne  has filed for divorce from her musician husband after three years of marriage.
Lavigne filed for divorce from Sum 41  singer Deryck Jason Whibley on Friday (Oct. 9) 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.
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