Kristian Bush is the subject of a new documentary on his life, "Walk Tall: The Journey of Sugarland's Kristian Bush," which is set for television release in September.
Kristian Bush is uniting with actress and singer Rita Wilson for a worthwhile cause. The two celebrities will perform a concert at the Troubadour in West Hollywood, Calif., on Aug. 27, with a portion of the proceeds benefiting ACM Lifting Lives.