Michael Ball, Alfie Boe, Al Murray, Angela Rippon, Aston Merrygold, Bryn Terfel, Calum Scott, Collabro, Danny O'Donoghue, Gareth Malone, Gregory Porter, Imelda May, Imelda Staunton, Jason Manford, Kay Adams, Kelsey Grammer, Lesley Joseph, Linda Robson, Mark King, Mel Giedroyc, Miranda Hart, Nadia Sawalha, Ore Oduba, Pauline Quirke, Seal, Shirley Ballas, Stacey Solomon, The Rays Of Sunshine Children's Choir