'Jackass' Star Files for Divorce

Actor Johnny Knoxville is shown in this, Dec 19, 2005, file photo in New York.Knoxville has filed for divorce from his wife of 12 years. The "Jackass" star, whose birth name is Philip John Clapp, cites "irreconcilable differences" as the reason for ending his marriage to Melanie Lynn Clapp, according to court documents filed Tuesday July 3, 2007 in Superior Court in Los Angeles. (AP Photo/Stuart Ramson, file) (Stuart Ramson - AP)

LOS ANGELES -- Johnny Knoxville has filed for divorce from his wife of 12 years. The "Jackass" star, whose birth name is Philip John Clapp, cites "irreconcilable differences" as the reason for ending his marriage to Melanie Lynn Clapp, according to documents filed Tuesday in Los Angeles Superior Court.

Knoxville, 36, is seeking joint custody of their 11-year-old daughter, Madison.

The couple separated in July 2006.

Knoxville starred in "The Dukes of Hazzard," "Men In Black II" and the "Jackass" franchise, which includes the MTV stunt shows and their movie versions.