Jim Meskimen
Ben Stein
Rene Auberjonois
Danny Mann
Katherine Jenkins
Pat Musick
Debra Stephenson
Nicole Scherzinger
Denise Welch
Donny Osmond
Barry Manilow
Jason Marsden
Dermot O'Leary
Debi Derryberry
Brian George
Russi Taylor
Robbie Williams
Denise Van Outen
Britney Spears
Kym Lomas
Hal Smith
Michael Ball
Elizabeth Daily
Richard Steven Horvitz
Antony Costa
Tim Curry
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Jennifer Lopez
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Les Dennis
William Shatner
Dolly Parton
Penn Jillette
Seth Green
Richard E. Grant
Michael Gough
Melanie Brown
Gordon Ramsay
Adam West
Harry Hill
Dorian Harewood
Will Ferrell
Vanessa Feltz
Susan Blu
Linda Robson
Brian Tochi
Gary Owens
Sue Perkins
Zac Efron
Lauren Tom
Hilary Duff
Olly Murs
Russell Brand
Ozzy Osbourne
Jeff Doucette
Gene Simmons
Zoe Lucker
Lorraine Kelly
Robert Costanzo
Tony Blackburn
Scott Menville
Kelly Osbourne
Alesha Dixon
Bonnie Langford
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Jack Black
Patrick Pinney
Marianne Muellerleile
Julian Clary
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Pauline Quirke
Sophie Ellis-Bextor
Patsy Kensit
James Earl Jones
Kim Cattrall
Charlize Theron
Susan Sarandon
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Pamela Anderson
Keone Young
Peter Andre
Mel Giedroyc
Quinton Flynn
Dougie Poynter
Shane Richie
Emma Thompson
Lori Alan
Dom DeLuise
Andrew Lloyd Webber
Jack Angel
John Astin
Michelle Collins
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Chris Tarrant
Jason Donovan
Phil Tufnell