Sandra Bullock, Tom Hanks, Cilla Black and James Arthur

50 min

Harry Redknapp, Gordon Ramsay, Frank Lampard and Julie Walters

50 min

Gary Barlow, Nicole Scherzinger, Louis Walsh, Naomi Campbell, Stephen Merchant, Laura Mvula

50 min

Joanne Froggatt, Rob James-Collier, Paul Hollywood, Steve Coogan, Jonathan Rhys Meyers, Pet Shop Boys

50 min

Celine Dion, Andy Murray, Johnny Vegas, John Barrowman

50 min

One Direction, Forest Whitaker, Sarah Millican, Eminem

50 min

Gary Barlow, Simon Pegg, Dame Edna Everage, Tina McIntyre, Michelle Keegan

50 min

Olly Murs, Joanna Lumley, Chris Tarrant, Keith Lemon

50 min

Tom Daley, Jack Dee, Olivia Colman, Brian Cox, Ellie Goulding

50 min

Sir David Attenborough, Jamie Oliver, Ray Winstone, John Bishop, Susan Boyle

50 min