Select Other Guests... Sarah Ferguson and Ed Byrne Greg Kinnear and Ruth Jones Ricky Gervais and Ronnie Corbett Zac Efron, David Walliams, Pet Shop Boys Roberto Benigni and Patsy Kensit Gillian Anderson and Sinead O'Connor Peter Andre, Katie Price, and Jimmy Carr Anna Friel and Matt Lucas Joan Rivers and Duncan Bannatyne SEASON FOUR GUESTS Harry Shearer and Eddie Izzard Jennifer Saunders and Cyndi Lauper Goldie Hawn and Sandi Toksvig Thandie Newton and Ricky Gervais David Tennant and Catherine Tate Karen Allen and Frank Skinner Robin Williams and Estelle Sir Tom Jones and Alan Carr Reese Witherspoon and Paul O'Grady Barry Manilow Tim Minchin, Michael McIntyre, and Boyzone Brendan Fraser and Alesha Dixon