Kevin Earl Feerline (born March 21, 1978) is an American dancer, rapper, fashion model, and occasional actor. Previously engaged to actress Shar Jackson, Federline is best known for his two-year marriage to pop singer Britney Spears. The couple's divorce was highly publicized, followed by an ongoing legal battle for the custody of their two sons, Sean Preston Federline and Jayden James Federline. As of January 2008, Federline has sole custody of the children.