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- Lulu - Self - Contestant
- Marcus Brigstocke - Self - Contestant
- Penny Smith - Self - Contestant
- Caroline Flack - Self - Contestant
- Rebecca Front - Self - Contestant
- Andi Osho - Self - Contestant
- Joe Swash - Self - Contestant
- Ed Byrne - Self - Contestant
- Jarred Christmas - Self - Contestant
- Limahl - Self - Contestant
- Toyah Willcox - Self - Contestant
- Graham Norton - Self - Judge
- Jack Whitehall - Self - Judge
- Clare Grogan - Self - Contestant
- Chesney Hawkes - Self - Contestant
- Cee Lo Green - Self - Performer
- John Bishop - Self - Judge
- Felix Dexter - Self - Judge
- Russell Kane - Self - Contestant
- Katie Price - Self - Contestant
- Leigh Francis - Keith Lemon - Judge
- Leigh Francis - Self
- Jo Brand - Self - Judge
- Jo Brand - Self
- Kimberly Wyatt - Self - Performer
- Noel Fielding - Self - Contestant
- Charlie Baker - Self - Contestant
- Jessie J - Self - Performer
- James Thornton - Self - Contestant
- Miranda Hart - Self - Judge
- Louie Spence - Self - Judge
- Rufus Hound - Self - Judge
- Ricky Hatton - Self - Contestant
- Mel Giedroyc - Self - Judge
- Bradley Walsh - Self - Judge
- Tameka Empson - Self - Judge
- Jon Culshaw - Self - Contestant
- Vanessa Feltz - Self - Contestant
- Kimberley Walsh - Self - Performer
- Kim Woodburn - Self - Contestant
- Keith Duffy - Self - Contestant
- Lee Mack - Self - Judge
- Simon Brodkin - Lee Nelson - Contestant
- Rosemary Shrager - Self - Contestant
- Justin Bieber - Self - Performer
- Nicole Scherzinger - Self - Performer
- Tim Vine - Self - Contestant
- Lisa Riley - Self - Judge
- Dean Gaffney - Self - Contestant
- Natalie Cassidy - Self - Contestant
- Jason Manford - Self - Judge
- Claire Sweeney - Self - Contestant
- Paloma Faith - Self - Performer
- Ricky Groves - Self - Contestant
- Katherine Ryan - Self - Contestant
- Frank Skinner - Self - Judge
- Greg Davies - Self - Judge
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