All four Britain's Got Talent judges will reportedly be joined on stage by past winners of the talent show for this year's Christmas special. Dancer Ashley Banjo, singer Alesha Dixon, Amanda Holden and comedian David Walliams are all reportedly performing in the festive show for the first time in the series' 14-year history. And past Britain's Got Talent winners will be performing alongside all of the judges as part of the much-anticipated ITV wintery spectacular, according to The Sun. Taking to the stage: All four Britain's Got Talent judges will reportedly be joined on stage by past winners of the talent show for this year's Christmas Special