Rob is joined on the show by Barbara Windsor, The Overtones and Heston Blumenthal.
Michael McIntyre, Alex James, Amy Macdonald
Barbara Windsor, The Overtones, Heston Blumenthal
Sarah Millican, Grayson Perry, Newton Faulkner
Ronan Keating, Jason Manford and Neil Morrissey
Sir Tom Jones, Emilia Fox and Steve Backshall
Ray Winstone, Brian Cox, Kelly Jones.
