Six celebrities will embark on the ultimate musical theatre masterclass culminating in a show stopping one-night extravaganza.
John Barrowman will return to present the special, with the panel headed up by Elaine Paige. Joining Elaine will be Trevor Dion-Nicholas and Samantha Barks.
The celebrities will each take to the stage to perform an iconic musical number aiming to impress the virtual audience, as well as the panel. Ahead of their performances the celebrities will be mentored by Elaine with support by a West End chorus line and expert choreographers and vocal coaches.
Performing are Robert Rinder, Barney Walsh, Robert Peston, Jessica Hynes, Dr Ranj Singh and Luisa Bradshaw-White.
John Barrowman said: "Now more than ever we're all in need of some fabulous musical entertainment and I can't wait to be reunited with Elaine on stage for All Star Musicals. We've got the most amazing show lined up with something for everyone and lots and lots of surprises!"
Elaine Paige added: "All Star Musicals is a joy to be a part of, I'm so pleased to be back heading up the critics panel and mentoring our new celebrities. We've got the most wonderful evening of musical theatre and entertainment lined up for viewers and some very exciting surprises."
Katie Rawcliffe, ITV’s Head of Entertainment, said: "All Star Musicals returns to our screens at a time when we’ve been missing those powerful and thrilling live performances in the theatre. This one-off special will be a real celebration of musicals and I can’t wait to see the performances our celebrities deliver on stage.”
All Star Musicals airs Sunday 21st March at 6:30pm on ITV.