JLS, David Walliams, Hilary Devey, McFly

Gordon Ramsay, Ian McKellen, Miranda Hart, Kylie Minogue

Davina McCall, Harry Hill, Jon Richardson, Olly Murs, Rebecca Ferguson

Michael McIntyre, Keith Lemon, will.i.am, Daley feat. Jessie J

Kevin Bridges, Dermot O'Leary, David Walliams, Lawson

Rhod Gilbert, Paul O'Grady, Noel Gallagher

Julia Davis, John Bishop, Melanie C, Emma Bunton, Geri Halliwell, Rita Ora

Jamie Oliver, Jimmy Doherty, Taylor Swift, The Wanted, The Killers

Nicki Minaj, Sophie McShera, Rob James-Collier, Ed Speleers, Gary Barlow, Tulisa Contostavlos, Nicole Scherzinger, Paloma Faith

Chris O'Dowd, Kelly Brook, JLS

Cheryl Cole, ​Dara Ó Briain, McFly, Leona Lewis

Paddy McGuinness, Theo Paphitis, Deborah Meaden, Peter Jones, Kimberley Walsh, Nicky Byrne, Louis Smith, Jerry Hall, Conor Maynard

Jessie J, One Direction, Kevin McCloud, Alicia Keys

Matt Smith, Kelly Osbourne, Jack Whitehall, Greg McHugh, Joe Thomas, Zawe Ashton, Charlotte Ritchie, Kimberley Nixon, Jonnie Peacock, Example

Gok Wan, Adam Hills, David Weir, Ellie Simmonds, Alex Brooker, Jody Cundy, Pink