The Great Celebrity Bake Off for Stand Up To Cancer: 8x4

Adam Buxton, Self Esteem, Meera Syal, Tommy Tiernan

In three challenges, set by Paul Hollywood and new judge Caroline Waldegrave, the bakers must make delicious crumpets in the Signature, not panic over perfect piping in the Technical, and recreate their celebrity hero in pastry for their Showstopper.