Davina McCall, Caroline Flack and Chipmunk.

David Guetta, Paddy McGuinness, Davina McCall, Max George and Tom Parker

Joining Keith, Holly and Fearne for this festive Christmas Special are TV presenter Davina McCall, Olympic medallist Louis Smith, JLS star Aston Merrygold, presenter Stacey Solomon and Coronation Street favourite Simon Gregson.

Joey Essex, Michelle Keegan, Natalie Cassidy and Davina McCall