GBBO's Selasi shocks when he makes a cameo appearance on The X Factor advert

Just before the viewers are taken back to the X Factor studio, they watch a selection of people miming along to a song.However, the latest clip was very different when fans noticed the Great British Bake Off's Selasi Gbormittah singing along to 'Merry Christmas Everyone' whilst wearing a pizza filter."Selasi doing the #XFactor advert omg bring back bake off," wrote one surprised viewer.While another added: "Omg Selasi #XFactor."Selasi makes surprise cameo appearance on X ...