Dawn French, Tom Jones, JLS, Spellbound
Episode: 1x01 | Airdate: Sep 10, 2010
Season 1
Enrique Iglesias, Nicole Scherzinger, Kim Cattrall, Peter Kay
Episode: 1x02 | Airdate: Sep 17, 2010
Kylie Minogue, Jo Brand, Bob Hoskins, Jake Shears
Episode: 1x03 | Airdate: Sep 24, 2010
Michael Parkinson, Russell Brand, Louie Spence, Plan B
Episode: 1x04 | Airdate: Oct 1, 2010
Robbie Williams & Gary Barlow, David Tennant & Dannii Minogue
Episode: 1x05 | Airdate: Oct 8, 2010
Michael McIntyre, Harry Hill, Kate Thornton, Joe McElderry
Episode: 1x06 | Airdate: Oct 15, 2010
Chris Evans, Louis Walsh, Simon Pegg, Taylor Swift
Episode: 1x07 | Airdate: Oct 22, 2010
Barbara Windsor, Caroline Rhea, Nadine Coyle
Episode: 1x08 | Airdate: Oct 29, 2010
David Walliams, Barbara Knox, McFly
Episode: 1x09 | Airdate: Nov 5, 2010
Julie Walters, Leslie Jordan, Katy Perry, Diversity
Episode: 1x10 | Airdate: Nov 12, 2010
Season 2
Amanda Holden, John Cleese, Charlotte Church, Rupert Everett
Episode: 2x01 | Airdate: Apr 15, 2011
Amir Khan, Brenda Blethyn, Tracie Bennett, Antony Cotton
Episode: 2x02 | Airdate: Apr 22, 2011
Alan Carr, Stacey Solomon, Dame Edna Everage, Blue
Episode: 2x03 | Airdate: Apr 29, 2011
James Corden, Ross Kemp, Charlie Brooks, Karen Gillan, The Feeling
Episode: 2x04 | Airdate: May 6, 2011
Kathy Burke, Celia Imrie, Paddy McGuinness, The Black Eyed Peas
Episode: 2x05 | Airdate: May 13, 2011
Matt Lucas, Katherine Kelly, Michael Ball, Westlife
Episode: 2x06 | Airdate: May 20, 2011
Johnny Vegas, Suranne Jones, Joan Collins, Olly Murs
Episode: 2x07 | Airdate: May 27, 2011
Victoria Wood, Sally Lindsay, Barry Manilow
Episode: 2x08 | Airdate: Jun 24, 2011
Lisa Maxwell, Bob Geldof, Janet Jackson, Joe Jonas
Episode: 2x09 | Airdate: Jul 1, 2011
Ian McKellen, Myleene Klass, Michelle Collins, Nicola Roberts
Episode: 2x10 | Airdate: Jul 8, 2011
Specials
Bette Midler, Danny Miller, Cilla Black, David Haye, The Soldiers
Episode: S01 Special | Airdate: Dec 24, 2010
Lady Gaga
Episode: S02 Special | Airdate: Jun 17, 2011