Caroline Quentin, Julian Clary, Tanni Grey-Thompson, Gyles Brandreth, Gareth Thomas, Donna Air, Rhod Gilbert, Henning Wehn, Nina Wadia, Tyger Drew-Honey, Zoe Lyons, Naga Munchetty, Louie Spence, Paul Chowdhry and Ellie Taylor battle it out to this week's celebrity champion.