Recurring Guest Characters Gary Barlow 1 guest appearances Clean Bandit 1 guest appearances Russell Kane 1 guest appearances Jessie J 1 guest appearances Stereophonics 1 guest appearances Alan Shearer 1 guest appearances Miranda Hart 1 guest appearances Niall Horan 1 guest appearances Jason Manford 1 guest appearances Jon Richardson 1 guest appearances Marvin Humes 1 guest appearances Rochelle Humes 1 guest appearances The Vamps 1 guest appearances Holly Willoughby 1 guest appearances Little Mix 1 guest appearances Kylie Minogue 1 guest appearances Jack Savoretti 1 guest appearances Michael Bublé 1 guest appearances Rita Ora 1 guest appearances Eamonn Holmes 1 guest appearances ⇤ « 1 2 3 4 5 6 7 8 » ⇥