The United Kingdom participated in the Eurovision Song Contest 2017 with the song "Never Give Up on You" written by Daniel Salcedo, Emmelie de Forest and Lawrie Martin. The song was performed by Lucie Jones. Songwriter Emmelie de Forest represented Denmark in the Eurovision Song Contest 2013 with the song "Only Teardrops" where she won the competition. The British entry for the 2017 contest in Kyiv, Ukraine was selected via the national final Eurovision: You Decide, organised by the British broadcaster BBC. Six acts competed in the national final and the winner was selected through the combination of a public vote and the votes of an eight-member professional jury.

Australia participated in the Eurovision Song Contest 2017 with the song "Don't Come Easy" written by Anthony Egizii, David Musumeci and Michael Angelo. The song was performed by Isaiah Firebrace, who was internally selected by the Australian broadcaster Special Broadcasting Service (SBS) to represent that nation at the 2017 contest in Kyiv, Ukraine. Firebrace as the Australian representative and the song he performed, "Don't Come Easy", was announced and presented to the public on 7 March 2017 during an announcement event in Melbourne.