Four songs ultimately qualified to compete in the final on 22 February 2015 where a public vote exclusively selected "Love Injected" performed by Aminata as the winner.

Performing during the show in position 10, "Love Injected" was announced among the top 10 entries of the second semi-final and therefore qualified to compete in the final on 23 May.

In the final, Latvia performed in position 19 and placed sixth out of the 27 participating countries, scoring 186 points.

Between 2009 and 2014, the nation had failed to qualify to the final for six consecutive years including with their 2014 entry "Cake to Bake" performed by Aarzemnieki.

All shows in the competition took place at the LTV Studio 6 in Riga, hosted by Ketija Šēnberga and Toms Grēviņš and broadcast on LTV1 as well as online via the official Supernova website supernova.lsm.lv.

[6][7][8] An alternative broadcast of the final also occurred online at lsm.lv with commentary by the duo Transleiteris consisting of Edžus Ķaukulis and Lauris Mihailovs.

LTV broadcast two introductory shows on 18 and 25 January 2015 that covered the background preparation processes and performer auditions that occurred prior to the competition.

[4] The jury participated in each show by providing feedback to the competing artists and selecting entries to advance in the competition.

The panel consists of:[6] Artists and songwriters were able to submit their applications and entries separately to the broadcaster between 3 November 2014 and 10 December 2014.

[12] The international jury panel consisted of Peo Nylén (producer and representative of Scandinavian Songs AB record company), Michael Jay (producer and songwriter) and Jarkko Nordlund (Universal Music Group Finland and the Baltic region manager).

2009 Latvian Eurovision entrant Intars Busulis was a guest juror for the semi-final, filling in for Dons.

The song with the highest number of votes from the public, "Love Injected" performed by Aminata, was declared the winner.

[8][9] Aminata made several appearances across Europe to specifically promote "Love Injected" as the Latvian Eurovision entry.

On 18 April, Aminata performed during the Eurovision in Concert event which was held at the Melkweg venue in Amsterdam, Netherlands and hosted by Cornald Maas and Edsilia Rombley.

[21] According to Eurovision rules, all nations with the exceptions of the host country and the "Big Five" (France, Germany, Italy, Spain and the United Kingdom) are required to qualify from one of two semi-finals in order to compete for the final; the top ten countries from each semi-final progress to the final.

[23] On 26 January 2015, a special allocation draw was held which placed each country into one of the two semi-finals, as well as which half of the show they would perform in.

[30] The Latvian performance featured Aminata in a long red dress and black jewellery standing on a pedestal at the centre of the stage.

[31] At the end of the show, Latvia was announced as having finished in the top ten and subsequently qualifying for the grand final.

The jury consisted of five music industry professionals who were citizens of the country they represent, with their names published before the contest to ensure transparency.

This jury was asked to judge each contestant based on: vocal capacity; the stage performance; the song's composition and originality; and the overall impression by the act.