The nervous bakers got off to a crumbly start in the Comic Relief Bake Off challenges, as they struggled with shortbread, pork pies and a triple-tiered pavlova.

Here’s what happened…

Jameela Jamil revealed she didn’t know much about certain foods…

Jameela Jamil arriving at the Zoe Jordan Catwalk show
(Doug Peters)

At least she realised…

Michael Sheen showed he is a fast learner.

Michael Sheen arrives for aBFI screening
(Ian West/PA)

Everyone loved Sarah Brown.

Sarah Brown arrives at the Cosmoplitan Women of the Year Awards at the Banqueting House in London
(Ian West/PA)

David Mitchell was as funny in the kitchen.

British actor David Mitchell arrives at at a cinema in west London, for the UK Premiere of 'The Debt,
(Joel Ryan/AP)