Homegrown Britain's Got Talent acts take on Got Talent acts from around the world in the ultimate battle of the Champions!

Cast: Anthony McPartlin, Declan Donnelly, Simon Cowell, Alesha Dixon, Amanda Holden, David Walliams, Ashleigh Butler, Sonali Majumdar, Chris Nelson, Justin Nelson, Annalise Nock, Bello Nock, Paul Potts, Sarder Puja, The Sacred Riana