Shappi Khorsandi, Chris Stark, Piers Taylor, Lee Pearson

John Humphrys asks the questions as four famous faces brave the black chair. Comedian Shappi Khorsandi answers questions on Charlie Chaplin, Scott Mills's Radio 1 sidekick Chris Stark on Scott Mills, The House That ú100k Built presenter Piers Taylor on Bob Dylan and Paralympian gold medallist - and opening ceremony flagbearer - Lee Pearson on British birds.