The Wanted's Jay: 'If I go wrong I'll be gutted'
25 September 2015 Last updated at 17:21 BST
Jay McGuiness from The Wanted has revealed that he's dreading going wrong in the first Strictly dance-off.
He's been practising hard with his partner Aliona Vilani and he says that for him Strictly is 'all or nothing.'
Watch Jay rehearsing ahead of the live shows.