Recurring Guest Characters Fearne Cotton 1 guest appearances Christina Ricci 1 guest appearances Amir Khan 1 guest appearances Rihanna 1 guest appearances Lionel Richie 1 guest appearances Imelda Staunton 1 guest appearances Michael Ball 1 guest appearances Amanda Seyfried 1 guest appearances Sugar Ray Leonard 1 guest appearances Gok Wan 1 guest appearances Simon Cowell 1 guest appearances Harry Enfield 1 guest appearances Priscilla Presley 1 guest appearances Elvis Costello 1 guest appearances Ariana Grande 1 guest appearances Cristiano Ronaldo 1 guest appearances Agyness Deyn 1 guest appearances Idris Elba 1 guest appearances Burt Reynolds 1 guest appearances Kara Tointon 1 guest appearances ⇤ « 18 19 20 21 22 23 24 25 26 27 » ⇥