We don't know who Secret Santa is, but the odds on his gaining the coveted Christmas number one spot are shortening by the day, with his festive take on Kung Fu Fighting - 'Christmas Shopping' no less!
Santa - reported to be a member of one of the UK's biggest bands of the 1970s, with sales of 30 million records - will be revealing his identity on Christmas morning. So, who is he, and can he give Simon Cowell and co a run for their money?