Episode 4: Celebrity Special

It's time for the stars to shine in another celebrity special. The three teams joining Marvin and Rochelle Humes are DJ Chris Moyles and actor James Buckley, Radio 1 DJs Rickie Haywood-Williams and Charlie Hedges, and sports star Sam Quek and presenter Martel Maxwell. Who will hit the right note and get the chance to win £10,000 for their chosen charity? Get ready to play along at home and shout out the answers at the telly.