Who is in the running to represent the UK?
The six competing artists and songs in 2018:
Asanda - Legends - written by Christopher Wortley, Laurell Barker & Roel Rats
Goldstone - I Feel The Love - written by Eric Lumiere, Joakim Buddee, Laura White & Roel Rats
Jaz Ellington - You - written by Ashley Hicklin, Herman Gardarfve & Laura White
Liam Tamne - Astronaut - written by Ashley Hicklin, Jacob Pedersen, Jeanette Bonde & Rune Braager
RAYA - Crazy - written by Emil Rosendal Lei, Greta Salóme Stefánsdóttir & Samir Salah Elshafie
SuRie - Storm - written by Nicole Blair, Gil Lewis & Sean Hargreaves
Songwriting success at Eurovision
Greta Salóme Stefánsdóttir, who co-wrote Crazy, has represented Iceland in the Eurovision Song Contest twice, in 2012 and 2016.
Måns Zelmerlöw teased the audience about what they can expect from the songs ahead of the big reveal:
The performers will take to the stage in a bid to impress both the viewers at home and a professional jury at Brighton Dome during the 90-minute show. After each performance, a panel of experts will be on hand to provide their critique about the songs and the artists.
Lucie Jones represented the United Kingdom in the 2017 Eurovision Song Contest after winning Eurovision: You Decide. In Kyiv she scored the UK's best placing for years with the song Never Give Up On You.