When is All Together Now Celebrities on BBC One tonight, who taking part and what’s the prize?

ALL Together Now is set for a celebrity special this Christmas.

Here's everything you need to know about the show and what celebrities will be taking part...

When is All Together Now Celebrities on BBC1?

All Together Now Celebrities will air tonight on Christmas Eve at 7.15 pm on BBC One.

It is hosted by Rob Beckett and Spice Girl Geri Halliwell.

The programme will be available to watch online with BBCiPlayer shortly after broadcast.

It goes head to head with Coronation Street which airs at the same time on ITV.

Who is in the lineup of All Together Now Celebrities?

The lineup for All Together Now Celebrities includes a host of famous faces...

• Gemma Collins 
• Chris Kamara 
• Alison Hammond
• Laurie Brett
• Ben Foden 
• Amber Davies 
• Omid Djalili
• Sara Pascoe
• Tyger Drew-Honey

What is All Together Now Celebrities about?

All Together Now Celebrities will see famous faces battle it out in a singing contest.

They will compete to impress the judging panel The 100.

The judges, including Geri Horner are all singers or music industry experts.

The greater number of judges who get up and start singing along, the higher the act's score.

The Celebs will be singing a mix of musical theatre, modern day classics and ballads.

At the end of the show the winner will walk away with the All Together Now trophy.