Natasha Hamilton, Sinitta, Liz McClarnon, Scott Mills, Chico, Huw Stephens, Faye Tozer, Ian 'H' Watkins

Bobby Ball, Tommy Cannon, Paul Daniels, Bobby Davro, Gareth Hale, Keith Harris & Orville, Kenny Lynch, Norman Pace

John Altman, Steve Arnold, Dean Gaffney, Darren Jeffries, Matt Littler, Ken Morley, Johnny Robinson , Dean Sullivan, Paul Usher

Toby Anstis, The Cheeky Girls, Phil Daniels, Alex James, Kirsten O'Brien, Tricia Penrose, Debra Stephenson

Brendan Cole, Kate Garraway, Chelsee Healey, James Jordan, Ola Jordan, Chris Parker, Laila Rouass, Ian Waite

Tony Blackburn, David Hamilton, Austin Healey, Ulrika Jonsson, Scott Quinnell , Rowland Rivron, Karen Taylor, Tim Vine

Diane Abbott, Ellie Crisell, Edwina Currie, Kerry Katona, Jane McDonald, Lizo Mzimba, Dave Spikey, Kim Woodburn

Joe McElderry, Nicki Chapman and Pete Waterman guest in a special edition of the quiz.

Stephen K Amos, Toyah Wilcox and Katie Derham guest in a special edition of the quiz.

Jenny Eclair, Lee Dixon and Sian Lloyd guest in a special edition of the quiz

Jennie Bond, JK and Joel and Mary Berry guest in a special edition of the quiz.

Ray Quinn, Paul Young and Chris Kamara guest in a special edition of the quiz.

Gareth Thomas, Rachel Riley and Mark Durden Smith guest in a special edition of the quiz.

Michelle Heaton, Neil Fox and Emma Forbes guest in a special edition of the quiz.

Nicholas Parsons, Rick Wakeman and Hannah Waterman guest in a special edition of the quiz.

Gyles Brandreth, Bonnie Langford and Bernie Nolan guest in a special edition of the quiz.

Janice Long, Graham Cole and Eddie Edwards guest in a special edition of the quiz.

Children's TV stars including Sarah Greene and Peter Duncan test their general knowledge.

Soap stars including Anna Karen, Adele Silva and Rula Lenska test their general knowledge.