American Idol star BUCKY COVINGTON and his wife CRYSTAL have separated after seven years of marriage. Covington, a Season Five finalist, and Crystal, a nurse, have no children. In a statement issued through his record label he says, "This is a difficult time for both of us and I would ask that everyone respect our privacy." Covington, who won fans over with his unapologetic country style, released his first single, A DIFFERENT WORLD, in January (07), with his debut album due out on 17 April (07).