Celebrities take on baking challenges for Sport Relief. Sue Perkins hosts as Michael Vaughan, Samantha Bond, Bonnie Wright and Johnny Vaughan enter the tent.

Celebrities take on baking challenges for Sport Relief. Jo Brand hosts as Kirsty Young, Jane Horrocks, Greg Rutherford and Jason Gardiner enter the tent.

Celebrities take on baking challenges for Sport Relief. Omid Djalili hosts as Michael Ball, Emma Freud, Jamelia and Victoria Pendleton enter the Bake Off tent.

Celebrities take on baking challenges for Sport Relief. Ed Byrne hosts as Alistair McGowan, Rochelle Humes, Doon Mackichan and Helen Skelton enter the Bake Off tent.

Mel Giedroyc hosts as actress Sarah Hadland, TV gardener Joe Swift, botanist James Wong and actress Angela Griffin compete for the first ever Great Sport Relief Bake Off crown.

Mel Giedroyc hosts as choreographer Arlene Phillips, Radio Four's Fi Glover, presenter Saira Khan and Art Historian Gus Casely-Hayford compete for the charity bake-off crown.

Mel Giedroyc hosts as TV presenter Anita Rani, singer and fashion designer Pearl Lowe, BBC weatherman Alex Deakin and TV historian Alex Langlands have their baking skills tested.

The competition reaches its climax as the winners of the three heats face their final challenges before Mary and Paul must decide who is the Great Sport Relief Bake Off champion.