Newsround's been talking to Electro Velvet - the duo behind UK's Eurovision entry.
The pair have had mixed reviews since their song Still in Love With You was announced.
The song is a up-tempo electric swing track. They think because there are lots ballads this year, their song will stand out.
Bianca Nicholas was a contestant on The Voice in 2014.
Alex Larke usually performs as a tribute act to rock legend Mick Jagger.
Watch Martin's report to find out more.