Former Family Matters star Jaleel White, aka Urkel, The Vew co-host Sherri Shepherd, tennis great Martina Navratilova, actress Melissa Gilbert, and soul veteran Gladys Knight are among the celebrity contestants on the upcoming season of ABC’s Dancing With The Stars announced this morning. Also competing for the disco ball trophy will be Melrose Place alum Jack Wagner, actors Roshon Fegan and William Levy, singer-songwriter Gavin Degraw, mezzo-soprano Katherine Jenkins, Green Bay Packers wide receiver Donald Driver and TV host Maria Menounos.