Britain's Got Talent has revealed the full line-up for its forthcoming Christmas special, including the return of 10 previous winners.

Earlier this month, it was confirmed that the ITV talent search would return for Britain’s Got Talent: Christmas Spectacular a festive special which will see all four judges including Alesha Dixon, Amanda Holden, David Walliams and Ashley Banjo perform alongside previous finalists for the first time ever.

Airing on Christmas Day (December 25), the line-up for the special has now been announced.

Spoiler: it's pretty incredible.

britain's got talent 2020 christmas spectacular   ant and dec, alesha dixon, amanda holden, david walliams and ashley banjo
ITV

Related: Britain's Got Talent reveals first look at Christmas special with Ant and Dec in costume

While Ashley performs a Christmas-themed number as part of Diversity, alongside DVJ and season two winner George Sampson, Alesha will sing 'Have Yourself a Merry Little Christmas' with 2017 winner Tokio Myers on piano.

David will take part in a comedy sketch called Comedy Christmas Calendar featuring previous BGT finalists and winners Francine Lewis, Lost Voice Guy, Steve Royle and Robert White, Daliso Chaponda and Katherine and Joe.

Amanda, meanwhile, will be joined by 2014 winners Collabro in a performance of 'Home for Christmas'.

Also returning for the finale will be 2020 winner Jon Courtenay, Attraction, Richard Jones, Ben Hart, Marc Spellman, Asanda Jezile, Souparnika Nair, Fayth Ifil, Sarah Ikumu and Beau Dermott – and, there's more!

britain's got talent christmas, david walliams, alesha dixon, amanda holden and ashley banjo
ITV

Related: Britain's Got Talent's Amanda Holden lifts the lid on Christmas special

Calum Scott will perform 'You Are The Reason', joined by dance troupe the MerseyGirls, while Ashleigh & Sully and Eliza will join Sign Along With Us in a performance of 'All I Want for Christmas Is You'.

Stavros Flatley will also return with a performance which ends with a special surprise, while 2019 winner Colin Thackery will perform a remote rendition of 'What A Wonderful World' to pay tribute to the heroes of 2020.

Merry Christmas!

Britain’s Got Talent: Christmas Spectacular will air at 8pm on Christmas Day (December 25) on ITV.

Ant & Dec: Once Upon a Tyne by Anthony McPartlin and Declan Donnelly
Sphere Ant & Dec: Once Upon a Tyne by Anthony McPartlin and Declan Donnelly
Now 65% Off
£7 at Amazon
Credit: Sphere
Ten by Susan Boyle
Ten by Susan Boyle
Credit: Syco
Road to the Royal Albert Hall
Road to the Royal Albert Hall
Credit: Peak Productions
Our Generation by Tokio Myers
Our Generation by Tokio Myers
Credit: Syco Music
Britain's Got Talent: The Electronic Board Game
Drumond Park Britain's Got Talent: The Electronic Board Game
Credit: Drumond Park
I'm Only In It for the Parking by Lee Ridley, aka Lost Voice Guy
I'm Only In It for the Parking by Lee Ridley, aka Lost Voice Guy
Now 14% Off
Credit: Bantam Press
One Chance
One Chance
Credit: Entertainment in Video
No Holding Back
No Holding Back
Credit: Simon & Schuster

Digital Spy has launched its first-ever digital magazine with exclusive features, interviews, and videos. Check it out with a 1-month free trial, only on Apple News+.

Interested in Digital Spy's weekly newsletter? Sign up to get it sent straight to your inbox - and don't forget to join our Watch This Facebook Group for daily TV recommendations and discussions with other readers.

Lettermark
Louise McCreesh
Louise McCreesh is a freelance news writer at Digital Spy.