Instagram on Wednesday to confirm the news alongside a photo of him and his fellow competitors. The 35-year-old is sat with Star Wars actress Daisy Ridley, singer Alexandra Burke and comedian and presenter Tom Allen.
The four celebrities are joined by judges Prue Leith and Paul Hollywood as well as host Matt Lucas. Rob simply captioned the photo: "Judgement Day is coming. . . " and revealed the show will air at 8pm on Channel 4.
His followers were quick to comment and are clearly looking forward to seeing Rob bake some cakes. One fan commented: "Yessss.
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