Quiz master this week is Sharon Osbourne, as Chris challenges Louis Walsh, Mark Ronson and Barbara Windsor to win his large flat screen TV.

Asking the questions this week as celebrity quiz master is Noel Edmonds and battling against Chris for one of his possessions are actor/comedian David Walliams, Boyzone front-man Ronan Keating and Gavin and Stacey co-writer and star, Ruth Jones.

Taking up the position of quizmaster this week is ex Spice Girls member Melanie Brown, and the celebrity guests she will be quizzing alongside Chris are, the face of Big Brother, Davina McCall, Comedian and co-host of The Sunday Night Project, Alan Carr and talk show host Jerry Springer.

Chris is joined by another stellar guest line-up - Take That frontman Gary Barlow, the always affable and the glamorous Denise Van Outen. Culinary alchemist Heston Blumenthal will put them through their paces as this week's quizmaster.

Actor Philip Glenister is back from the 70s and 80s where he lives as DCI Gene Hunt from Life on Mars and Ashes to Ashes. Ulrika Jonsson is not so much shooting stars as answering questions about them, and the host becomes the hosted with Justin Lee Collins completing the trio of guest contestants.

Their fate? To be questioned by a deadpan quizmaster - Jimmy Carr.

Week 7 of Chris Moyles' Quiz Night, and the great guests just keep on coming. Comedian Michael Mcintyre asks the questions this week, and Chris is competing with Claudia Winkleman, explosive chef Marco Pierre White, and none other than former Countdown brainiac, Carol Vorderman MBE.

Asking the questions for Week 8 - for better or worse (and usually a bit of both) - it's quizmaster Johnny Vegas. Joining Chris in competing for an item of his own property will be actress Patsy Kensit, model and better half of Peter Crouch Abbey Clancey, and comedian Ben Miller.