Strictly Come Dancing's Dan Walker left pro partner Nadiya Bychkova and presenter Claudia Winkleman stunned on Saturday's show as he spoke about his bottom injury.The BBC Breakfast star, 44, admitted that his "right bum cheek" had "suffered" due to the gruelling rehearsals as he went into vivid detail before hilariously being told to stop. Dan and Nadiya performed a Couple’s Choice to Classic by MKTO where they scored 28 points from the four judges.