On 31 January 2016, Sirmais was announced as one of the twenty competing acts in the second season of Supernova, with the song "Heartbeat".[3][4] In the first heat on 7 February, Sirmais advanced to the semi-final after winning over 40% of the televote.[5] He competed in the semi-final on 21 February and advanced to the final through televoting.[6] He later won the final on 28 February with 20,725 votes.[1] Justs represented Latvia in the Eurovision Song Contest 2016, performing in the first half of the second semi-final, and received enough points to perform at the finals.[7] There, the song achieved 15th place out of 26 finalists.[8]