The dance competition series will return to BBC One this autumn with a full-length series, having aired for a shorter run of episodes last year due to the pandemic.
The cast of Strictly Come Dancing 2021 is in the process of being announced.
“I am beyond chuffed that I am going to be on this year’s Strictly Come Dancing and I’m so glad I can finally tell my mum.
The winner of The Great British Bake Off series three in 2013, John Whaite is a chef and TV personality.