The 'Britain's Got Talent' judges will perform with previous winners on this year's Christmas special.
Collabro
David Walliams and Lost Voice Guy - who triumphed on the talent show in 2018 - will take to the stage for the festive episode, and 2014 champions Collabro will be back on 'BGT' to sing alongside Amanda Holden.
A source said: “The judges wanted to get up and do their bit in the Christmas special to put a smile on viewers’ faces.
"They will all perform but not alone."
Other returnees include 2008 winner George Sampson, and the dancer will join forces with stand-in judge Ashley Banjo - who is stepping in for Simon Cowell after he broke his back earlier this year - and his dance troupe Diversity, who beat Susan Boyle to the title in 2009.
Alesha Dixon will perform a rendition of 'Have Yourself a Merry Little Christmas' with pianist Tokio Myers, who triumphed on the talent show in 2017.
Viewers look set to be reminded just how good some of the show's winners have been over the years when they tune into the festive treat.
The source added to The Sun newspaper's Bizarre TV column: "It’s not until you see some of the acts getting up with them that you are reminded of the quality of some of the past winners."
Last month, it was revealed filming on the Christmas special had resumed after production had to be halted in October when three crew members tested positive for coronavirus.
In November, an insider said: "'Britain’s Got Talent' is back on track and preparations for the Christmas special are well under way."
Tagged in Alesha Dixon Amanda Holden David Walliams