She first gained national recognition in 2018, placing third in series 10 of the Spanish reality television talent competition Operación Triunfo, behind Alba Reche and Famous Oberogo.

In spring 2019, she signed a record deal with Universal Music Spain and released her debut extended play "Otras Alas" in June 2019.

[1] The song reached the fourth position on the PROMUSICAE chart while the EP topped it for two consecutive weeks and earned a gold certification in less than a month.

After leaving Operación Triunfo in December 2018 and failing to represent Spain at the 2019 Eurovision Song Contest, she began working on her solo projects.

[6] One week later, on June 21, she released her debut EP "Otras Alas" which featured underground artists Guitarricadelafuente and Marem Ladson and drew comparisons to Billie Eilish.

On January 24 she released its respective lead single "Olvídate de Mí" on streaming and music download platforms.

[11] In February she released its second single titled 'Algo Duele Más' featuring BRONQUIO and collaborated on "En Llamas" alongside 2018 X-Factor winner Pol Granch.

Lacunza was scheduled to do a few signing parties in selected cities in Spain and to tour the country from March 26 to late summer.

[15] On June 19, Lacunza released a live extended play titled "En Casa", which includes four songs from EP2 performed in an acoustic version at her house.

[17] On June 10, 2022, Lacunza released her debut studio album, "Tiene Que Ser Para Mí" after being announced in May and being preceded by the single "Todo Va A Cambiar".

On November 11, she began the Tiene Que Ser Para Mí Tour, starting in Zaragoza and ending on March 2 in Pamplona, after 12 shows.