Latvia participated in the Eurovision Song Contest 2018 with the song "Funny Girl" written and performed by Laura Rizzotto. The Latvian broadcaster Latvijas Televīzija (LTV) organized the national final Supernova 2018 in order to select the Latvian entry for the 2018 contest in Lisbon, Portugal. 21 songs were selected to compete in the national final, which consisted of four shows: three semi-finals and a final. In the semi-finals on 3, 10 and 17 February 2018, two entries were selected to advance from each show alongside two wildcards selected by LTV. Eight songs ultimately qualified to compete in the final on 24 February 2018 where a public televote and a four-member jury panel selected "Funny Girl" performed by Laura Rizzotto as the winner.

Latvia participated in the Eurovision Song Contest 2017 with the song "Line" written by Agnese Rakovska, Kristaps Ērglis and Kristians Rakovskis. The song was performed by the group Triana Park. The Latvian broadcaster Latvijas Televīzija (LTV) organized the national final Supernova 2017 in order to select the Latvian entry for the 2017 contest in Kyiv, Ukraine. 22 songs were selected to compete in the national final, which consisted of four shows: two heats, one semi-final and a final. In the heats and the semi-final, four entries were selected to advance from each show: two entries selected based on a public televote and two entries selected by a four-member jury panel. Four songs ultimately qualified to compete in the final on 26 February 2017 where a public vote exclusively selected "Line" performed by Triana Park as the winner.