Southbank Show - Cher. Following on from the success of the biggest hit single of her career, Believe, pop star Cher undertook a gruelling world tour. Melvyn Bragg talks to the actress and singer about her life and rollercoaster 40 year career. Features exclusive behind-the-scenes footage as she prepares to go on stage, and interviews with friends and colleagues including Tina Turner. CONTACT US FOR RIGHTS INFORMATION. PLEASE NOTE: Some clips are not ITV and will require further clearances.