Sinitta, Ian 'H' Watkins, Ritchie Neville, Una Healy

Ross Kemp presents the high-stakes quiz, where in this edition, a team of pop stars featuring Sinitta, Ian 'H' Watkins from Steps, Ritchie Neville from Five and Una Healy from The Saturdays get together to take on the Bridge of Lies for their chosen charities.