On the latest episode of The Great Sport Relief Bake Off, Geri Horner, Louise Redknapp, Jermaine Jenas and John Simpson whipped up a selection of treats for Mary and Paul.
But while the celebrities got confused over their beetroot and chocolate traybake, Twitter was in a complete muddle over whether it really was war correspondent John Simpson or in fact naturalist national treasure David Attenborough.
The excitement was palpable when everyone thought it was Attenborough.
But then disappointment set in.
Conspiracy theories now abound.
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