Serbia in The Song 3

Serbia participated in The Song 3 with the song "Petak" performed by Serbian artist Zejna. The song was written by Dragan Strelić and Marko Dreznjak. The Serbian broadcaster held a national final to select the Serbian entry for the third contest in Nicosia, Cyprus.

Participation
On July 22, the Serbian broadcaster announced that they would choose their entry via the national selection "Serbia Selects". Some of the competing artists were revealed on July 22, and the full lineup of competing artists and songs were revealed on July 24. The format consisted of a final with 12 songs, and the top 2 songs then competed in a Tiebreaker.