Here are all the pictures from the first episode of Let It Shine on BBC One.
The new talent series follows similar previous musicals series with Andrew Lloyd Webber, such as Any Dream Will Do and Over the Rainbow.
Fronted by Gary Barlow, Let It Shine will follow the hunt for singers to perform in a new stage musical based on the songs of Gary's band Take That.
And for the first round of auditions, they'll also be joined by guest judge, West End singer and star of Glee Amber Riley.
During the auditions the boys have just one performance to impress the judges to make it through to the next stage.
They will all sing, and some will dance and others will play instruments. But have they got what it takes to get through to the next round, where the lucky ones will get to perform in groups alongside hugely popular music acts?
As well as those who have applied to be on the show, Gary has gone out across the UK to find talented contestants who have been secretly nominated by their friends and families.
The show sees Gary surprise them and personally invites them to audition in front of the Let It Shine judges.
Contestants on Let It Shine tonight include Bobby Ford, Clinton Elvis, Nicky Price, Wayne Thurtell, Zak Robinson , Deaglan Arthur, Jason Brock, Nick Carsberg, Jazzie Mattis , Hector Mitchell-Turner, Jamie-Ryan Taylor and Tyler Jack Smith.
Browse pictures of the first contestants singing for a spot on stage in the gallery above!
Let It Shine will start on TV on BBC One on Saturday, January 7 at 7PM with the first auditions.