American Idol season nine finalist Crystal Bowersox has filed for divorce from husband Brian Walker after less than three years of marriage

"After two and a half years, we have decided to end our marriage," the couple told People magazine in a statement. "The friendship and love which brought us together remains strong, and we will continue to support each other in our careers and personal lives. We are hopeful that people will be respectful of our privacy as we face this emotional and challenging time for our family."

The couple wed in Chicago after a brief engagement in 2010 and Crystal has a four-year-old son from a previous relationship.

Crystal was runner up to Lee Dewyze on Idol and just released her second album, "All That For This."