Latvia participated in the Eurovision Song Contest 2019 with the song "That Night" written by Mārcis Vasiļevskis and Sabīne Žuga. The song was performed by the band Carousel. The Latvian broadcaster Latvijas Televīzija (LTV) organized the national final Supernova 2019 in order to select the Latvian entry for the 2019 contest in Tel Aviv, Israel. 16 songs were selected to compete in the national final, which consisted of three shows: two semi-finals and a final. In the semi-finals on 26 January and 2 February 2019, four entries were selected to advance from each show. Eight songs ultimately qualified to compete in the final on 16 February 2019 where a public televote and a five-member jury panel selected "That Night" performed by Carousel as the winner.

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.