Ant and Dec present a special version of the talent show, in which stars from the past 13 series of Britain's Got Talent compete against winners from versions of the programme from around the world to impress the viewers and judges Simon Cowell, Amanda Holden, Alesha Dixon and David Walliams. The first episode features the return of Paul Potts and Boogie Storm, as well as Ukraine's Kseniya Simonova and father-daughter duo Bello and Annaliese Nock from the US

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