David Kester
Scott Mann
饰:Herself
Kim Wilde
饰:Herself
饰:Barry Gibb
Michelle Marsh
饰:Emma Bunton
Alison Hammond
饰:Herself
饰:Deborah Harry
Julia Sawalha
饰:Cerys Matthews
饰:Herself
饰:Himself
Phina Oruche
饰:Herself
饰:Himself
饰:Herself
饰:Emma Bunton
Sally Lindsay
饰:Herself - Studio Announcer
饰:Himself
Tim Healy
饰:Himself
饰:Herself
Nell McAndrew
饰:Herself
Phil Collins
饰:Himself
饰:Herself
饰:Cher
饰:Herself - Judge (United Kingdom)
Julie Hesmondhalgh
饰:Herself - Audience Member
Dale Meeks
饰:Himself
Dave Clarke
饰:George Formby
饰:Herself
饰:Herself
Adele Silva
饰:Herself
Jonathan Wrather
饰:Harry Connick Jnr
Kirsty Young
饰:Herself
Amy Robbins
饰:Herself - Audience Member
饰:Herself
Tina O'Brien
饰:Herself - Audience Member
饰:Himself
Suranne Jones
饰:Herself
饰:Himself - Audience Member
Bradley Walsh
饰:Himself
Paul Blackwell
饰:Himself
饰:Himself
饰:Himself
Ben Richards
饰:Himself
Stephen Triffitt
饰:Frank Sinatra
饰:Himself - Judge (Netherlands)
饰:Herself - Audience Member
Angela Lonsdale
饰:Herself
Ben Freeman
饰:Himself
饰:Don Henley
Jenna-Louise Coleman
饰:Herself
饰:Gary Barlow
饰:Himself
Mark Wingett
饰:Himself - Audience Member
Verity Rushworth
饰:Herself
Julia Mallam
饰:Herself
William Roache
饰:Himself
Richard Fleeshman
饰:Himself
饰:Himself
Shaun Williamson
饰:Himself
饰:Himself
Davina McCall
饰:Herself - Presenter
Charles Dale
饰:Himself
Vickie Gates
饰:Herself
Emrhys Cooper
饰:Himself
Belinda Carlisle
饰:Connie Francis
饰:Himself
饰:Himself - Judge (Belgium)
饰:Cher
Jerry Springer
饰:Elvis Presley
饰:Herself
饰:Himself
Paul Burrell
饰:Himself
饰:Herself
Lisa Riley
饰:Herself
Denise Welch
饰:Herself
Nicola Stapleton
饰:Herself
Angela Griffin
饰:Herself
饰:Himself
Shobna Gulati
饰:Diana Ross
Andrew Lancel
饰:Himself
John Stapleton
饰:Himself
Richard Shelton
饰:Himself
饰:Herself
饰:Himself
饰:Himself
饰:Himself
Sammy Winward
饰:Christina Aguilera
Jenny Powell
饰:Herself
Charlie Hardwick
饰:Herself
饰:Himself
饰:Himself
Caprice Bourret
饰:Herself
饰:Deborah Harry
饰:Herself - Audience Member
饰:Charles Aznavour
Vanessa Feltz
饰:Herself
饰:Himself
饰:Donna Summer
Chris Finch
饰:Himself
饰:Himself
饰:Freddie Mercury
Pete Waterman
饰:Himself - Judge
饰:Ali Campbell
Martin Offiah
饰:Himself
Matthew Kelly
饰:Himself - Presenter
饰:Herself - Judge (Germany)
饰:Herself - Audience Member
Tom Lister
饰:Himself
Cat Deeley
饰:Herself - Presenter
饰:Herself
Chris De Burgh
饰:Himself - Surprise Guest
饰:Himself
Neil Fox
饰:Dean Martin
Samia Smith
饰:Herself
饰:Himself - Judge
Jeff Brazier
饰:Ali Campbell
Harry Hill
饰:Himself - Presenter
Antonia Okonma
饰:Herself
饰:Herself
饰:Himself
饰:Herself - Audience Member
Susanna Reid
饰:Herself
Kerry Katona
饰:Herself
Georgia Taylor
饰:Herself - Audience Member
Leslie Crowther
饰:Himself - Presenter
饰:Cliff Richard
饰:Dancer
饰:Herself
Lee Boardman
饰:Himself - Audience Member
Rupert Hill
饰:Chris Rea
饰:Beyoncé
饰:Herself
Sally Dynevor
饰:Herself
Terry Venables
饰:Anthony Newley
Louis Emerick
饰:Himself
Peter Kay
饰:Himself - Audience Member
Victoria Alcock
饰:Herself
Vic Reeves
饰:Himself - Audience Member
饰:Himself
Jade Goody
饰:Herself
Nikki Sanderson
饰:Herself
Lucy Benjamin
饰:Gwen Stefani
Nancy Sorrell
饰:Herself
Liam O'Brien
饰:Dr Hook
Kate Garraway
饰:Herself
饰:Herself - Judge (Portugal)
James Hewitt
饰:Bing Crosby
饰:Cliff Richard
饰:Himself
Robert Daws
饰:Himself - Audience Member
Ashley Taylor Dawson
饰:Himself
饰:Herself
Simon Day
饰:Boy George
饰:Doris Day
Ralf Little
饰:Himself
James Gaddas
饰:Himself
饰:Herself
Debbie McGee
饰:Herself
Michelle Collins
饰:Chrissie Hynde
Paul Marazzi
饰:Himself
Kathryn Drysdale
饰:Herself
Antony Daniel Costa
饰:Himself
饰:Elvis Presley
Claire Richards
饰:Herself
Brian Blessed
饰:Himself
饰:Herself
Dolly Parton
饰:Herself
饰:Dolly Parton
饰:Herself - Judge (Sweden)
饰:Herself
Victoria Bush
饰:Herself
Tracey Wilkinson
饰:Herself
James Martin
饰:Himself
饰:George Michael
饰:Himself
Debra Stephenson
饰:Herself
饰:Himself - Audience Member
饰:Himself
Tony Slattery
饰:Himself
Lucy-Jo Hudson
饰:Herself
饰:Herself - Audience Member
饰:Anastacia
Holly Willoughby
饰:Herself
饰:Himself
Claire Sweeney
饰:Herself
Boy George
饰:David Bowie
Toyah Willcox
饰:Herself
Sue Perkins
饰:Barbara Dickson
Patrick Mower
饰:Dr Hook
Ramon Christian
饰:Himself - Featured Dancer
饰:Himself
饰:Himself
饰:Himself
Jane Moore
饰:Herself
Justin Ryan
饰:Himself
饰:Denny Doherty
Deena Payne
饰:Dolly Parton
饰:Annie Lennox
Ruth Langsford
饰:Herself
Ben Shephard
饰:Himself
饰:Himself
饰:Deborah Harry
Will Mellor
饰:George Michael
Roger Black
饰:Himself
Bruno Langley
饰:Himself
饰:Herself - OB Reporter
Charlene Tilton
饰:Herself
Samantha Fox
饰:Dusty Springfield
饰:Himself
Tracie Bennett
饰:Herself
饰:Herself
Richard Arnold
饰:Frank Sinatra
Maxine Barrie
饰:Herself
饰:Himself
Sheridan Smith
饰:Herself
Sandi Lee Hughes
饰:Herself
饰:Grace Kelly
Charley Webb
饰:Herself
饰:Herself
饰:Himself - Audience Member
Thaila Zucchi
饰:Herself
Mel Giedroyc
饰:Elaine Paige
Ron Atkinson
饰:Frank Sinatra
Graham Norton
饰:Himself
饰:Deborah Harry
Brigitte Nielsen
饰:Annie Lennox
饰:Himself
饰:Herself - Audience Member
Jarvis Cocker
饰:Himself
Lorraine Kelly
饰:Herself
饰:Himself - Presenter
饰:Ethel Merman
饰:Himself - Audience Member
Kenzie
饰:Himself
Rachel Hunter
饰:Herself
饰:Himself - Judge (Hungary)
Amy Nuttall
饰:Herself
Russell Grant
饰:Anthony Newley
Paul Daniels
饰:Fred Astaire
饰:Himself
Esther Rantzen
饰:Edith Piaf
饰:Himself
Kathryn Hunt
饰:Herself - Audience Member
Kika Mirylees
饰:Herself
饰:Geri Halliwell
饰:Himself - Judge
饰:Herself
Trisha Goddard
饰:Dionne Warwick
Siân Lloyd
饰:Deborah Strickland
饰:Elvis Presley
Neil Ruddock
饰:Herself
Ted Robbins