All Star Musicals is coming back to our screens this Christmas.
ITV says six celebrities per episode will take centre stage as they go on a journey to take on the ultimate musical theatre masterclass.
Each of the celebs will be hoping to be crowned All Star Musicals Champion and steal the show with their spectacular performances.
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They will also receive world-class mentoring from the returning panel, including Elaine Paige OBE, Samantha Barks (Frozen, Les Miserables) and Trevor Dion Nicholas (Hamilton, Aladdin).
The contestants will also be supported by a West End ensemble, choreographers and vocal coaches in the lead up to their big performances.
Returning to host the show is John Barrowman, who will team up with Elaine, Samantha and Trevor, opening the show with a spectacular Greatest Showman medley.
When will All Star Musicals At Christmas start?
The show will air on ITV on Boxing Day at 8pm.
Which celebrities will be starring in All Star Musicals At Christmas 2021?
Fern Britton - the author and television presenter.
The 64-year-old co-presented Breakfast Time in the 1980s, hosted Ready Steady Cook between 1994 and 2000 and presented ITV's This Morning from 1999 to 2009.
Ben Miller - 55-year-old actor known for writing and starring in comedy sketch Armstrong and Miller on Channel 4, as well as BBC sketch show The Armstrong and Miller Show.
He also played DI Richard Poole in the BBC show Death in Paradise.
Gyles Brandeth - a 73-year-old British actor, broadcaster, writer and former politician.
He is known for presenting Good Morning Britain in the 1980s and a regualar guest on Channel 4's Countdown and BBC One's The One Show.
Anita Rani - a 44-year-old radio and TV presenter.
This year Anita has presented has presented the Friday and Saturday editions of BBC Radio 4's Woman's Hour.
She is also known for presenting BBC One’s Countryfile and took part on Strictly Come Dancing with pro dancer Gleb Savchenko in 2015, and just missed out on the final after leaving in Week 12.
She also presents Channel 4’s daytime quiz show The Answer Trap.
Catherine Tyldesley - the 38-year-old actress is known for starring in Coronation Street from 2011 to 2018 and BBC drama Lilies.
The actress also took part in Strictly Come Dancing with Johannes Radebe in 2019.
Radzi Chinyanganya - the 34-year-old broadcaster, podcaster and author presented Blue Peter from 2013 until 2019, and the ITV game show Cannonball in 2017.
He also hosted Wild for CBBC, and was the host of Match of the Day Kickabout from 2013 to 2014.
All Star Musicals at Christmas will on ITV on Boxing Day at 8pm.