She achieved tremendous results at the most prestigious festivals in Central and Eastern Europe (Czech Republic, Belarus, Bulgaria etc.).

She competed and won over the jury in an Idol style show, called "3K dur" aired on RTS3 with the aim of promoting young talented artists.

At the Beovizija 2005, she sang the song "Jutro" composed by Željko Joksimović, written by Aleksandra Milutinović and won.

Jelena was considered one of the favourites, ultimately she missed out in controversial fashion at the overall Serbia and Montenegro final (Evropesma), when all four Montenegrin jurors overlooked it in distributing their points.

In 2007, was her first appearance as a lyrics writer, she wrote the song "Gotova stvar", for the Montenegrin singer Milena Vučić.

In March 2008, she won the Serbian national selection, having received the highest number of points from both the jury and televoters.

In 2009, Jelena recorded a trio song dedicated to peace, with the participants of Eurovision 2008, Boaz Mauda (Israel) and Sirusho (Armenia).

The song premiered in Serbia during the Serbian National Final of Eurovision 2009, also presented in Armenia and Israel that same year.

After a small pause because of her wedding and her daughter's birth, on February 24, 2012, Jelena released at the TV Show Ja imam talenat, song "Melanholija".

Same year, on October 5, 2013, Jelena traveled in Barcelona, where invited from OGAE Spain to sing for Eurovision fans.

In 2015, Belarusian president Alexander Lukashenko invited this musical performance to Minsk on May 5, 2015, the celebration day of victory against Nazis.

On August 28, 2011, she married the Serbian actor Ivan Bosiljčić; and on January 24, 2012, they had a baby girl named Nina.