The Latvian participating broadcaster, Latvijas Televīzija (LTV) organised the national final Eirodziesma 2003 in order to select its entry for the contest.

In addition, LTV was also the host broadcaster and staged the event at the Skonto Hall in Riga, after winning the previous edition with the song "I Wanna" performed by Marie N. Fifteen songs were selected to compete in the national final on 1 February 2003 where two rounds of public televoting selected "Hello from Mars" performed by F.L.Y.

As the host country, Latvia qualified to compete directly in the final of the Eurovision Song Contest.

[6][7][8] An international jury panel appointed by LTV evaluated the submitted songs and selected fifteen entries for the competition.

[2] According to Eurovision rules, all nations with the exceptions of the bottom ten countries in the 2002 contest competed in the final.