In a special episode of "The Jennifer Hudson Show," Jennifer celebrates the music of R&B! Award-winning musician John Legend stops by the show to celebrate the release of "Get Lifted (20th Anniversary)." R&B superstar Muni Long will chat about her four Grammy nominations and her new album, "Revenge." Then, favorite dad and daughter duo, 6-year-old Tatum and Jay Galberth from Washington, D.C., are back, and Jennifer has a big surprise for them!