Alongside her sister Kristina, Kovač came to media prominence as a part of girl group K2, and then launched a successful solo career in 2001.

[4][5][non-primary source needed] She cites Aretha Franklin, Whitney Houston, and Alicia Keys as her idols, and is also a recognized philanthropist.

[4][5] After the tour, they continued working with Brown's band New Underground, a Manchester based production team, consisting of Robert Maddix and Jonathon Beckford.

[5] After their contract with Mismanagement expired in 1995, the sisters returned to Belgrade and wrote, arranged and produced their debut album K2, that hit number one on the charts.

In 1993 she performed in Spain with latino dance group Locomía, playing the keyboards and singing back vocals.

Aleksandra became one of the top songwriters in the south-east European region, writing and producing songs for many of the biggest names in the ex-Yugoslavia music scene.

In 2006 she released her first solo album, Med i mleko ("Honey and milk"), and with it, again proved herself as a talented singer and songwriter.

Concurrent with her songwriting career, Aleksandra garnered acclaim as a composer for commercials, theater, TV and film.

Aleksandra has published her work on film music in the international journal of music "New Sound", University of Osijek international journal “New Theories” and on songwriting and composing in the book "Serbia: My Case, A New European Generation" ( British Council, Serbia ).

Aleksandra is also a recognized philanthropist, the founder of the prestigious vocal school and children’s choir "Belgrade Voice”, and an Ambassador for the Council of Europe’s campaign “1 in 5” against child abuse.

She wrote the official title song of the campaign called “Stop the silence” and performed it at the Council of Europe in Strasbourg on the 6th of September 2012.

As one of the most successful singer-songwriters in the region, with best-selling albums and sold-out tours, and a career which spans more than two decades, Aleksandra was asked to become one of the X Factor Adria judges and mentors in 2015, which aired in five Balkan countries.