Beyoncé / Self - Performer (as Destiny's Child)
Caprice Bourret / Self
Paul Cattermole / Self - Performer (as S Club 7)
Destiny's Child / Themselves
Paul 'Bubble' Ferguson / Self (as Bubble)
Alex Ferns / Self
Jenny Frost / Self - Performer (as Atomic Kitten)
Sally Gunnell / Self
Natasha Hamilton / Self - Performer (as Atomic Kitten)
Ainsley Harriott / Self
Michelle Heaton / Self - Performer (as Liberty)
Chrissie Hynde / Self
Christian Ingebrigtsen / Self - Performer (as A1)
Tom Jones / Self
Beverley Knight / Self - Performer
Jon Lee / Self - Performer (as S Club 7)
Liberty X / Themselves (as Liberty)
Tony Lundon / Self - Performer (as Liberty)
Paul Marazzi / Self - Performer (as A1)
Liz McClarnon / Self - Performer (as Atomic Kitten)
Bradley McIntosh / Self - Performer (as S Club 7)
Jo O'Meara / Self - Performer (as S Club 7)
Darren Ramsey / Self
Mark Read / Self - Performer (as A1)
Kelly Rowland / Self - Performer (as Destiny's Child)
S Club 7 / Themselves
Kevin Simm / Self - Performer (as Liberty)
Hannah Spearritt / Self - Performer (as S Club 7)
Rachel Stevens / Self - Performer (as S Club 7)
Jessica Taylor / Self - Performer (as Liberty)
Simon Thomas / Self
Russell Watson / Self
Michelle Williams / Self - Performer (as Destiny's Child)
Kelli Young / Self - Performer (as Liberty)

Antony Costa / Self
Mark Curry / Self
Frankie Dettori / Self
Il Divo / Themselves - Performers
Kate Garraway / Self - Performer
Girls Aloud / Themselves - Performers & Presenters
Katy Hill / Self
Ben Inman / Self - Performer (as The Choirboys)
Sebastien Izambard / Self - Performer (as Il Divo)
Aled Jones / Self - Performer
Timmy Mallett / Self
Sharon Marshall / Self
Carlos Marín / Self - Performer (as Il Divo)
Liz McClarnon / Self - Performer
Andrea McLean / Self - Performer
David Miller / Self - Performer (as Il Divo)
Nicholas Parsons / Self
C.J. Porter-Thaw / Self - Performer (as The Choirboys)
Peter Purves / Self
Lee Ryan / Self - Performer
Nikki Sanderson / Self
Wayne Sleep / Self
Danny Young / Self