Guest Stars Amanda Holden as Herself Alesha Dixon as Herself Simon Cowell as Himself David Walliams as Himself Emma Willis as Herself Ricky Groves as Himself Louie Spence as Himself Attraction as Themselves Richard & Adam as Themselves Francine Lewis as Herself Jordan O'Keefe as Themselves Luminites as Themselves Sarah Harding as Herself Steve Hewlett as Himself Jason Derulo as Himself Lawson as Themselves