Together on Graham's sofa tonight: Oscar-winning Bridget Jones star Renee Zellweger, starring as Judy Garland in Judy, comedian and actor Lenny Henry, whose new memoir is Who Am I, Again?, documentary maker Louis Theroux, promoting his memoir Gotta Get Theroux This: My Life and Strange Times in Television, pop great Andrew Ridgeley, talking about his life and work with George Michael in new book Wham! George & Me and Elbow perform live in the studio.