Ognevich was born in 1986 in Murmansk to Ukrainian parents. She grew up in the Crimean city of Sudak. At age 18, Ognevich moved to Kiev, where she currently resides, to pursue a higher music education. Ognevich is a graduate of Kiev's Rheingold M. Glière Music College. During her third year at Rheingold she began working with live bands and did her own promotional work. Ognevich in interviews has claimed she has lived in "many cities and countries".
In 2011, she made her second unsuccessful attempt to represent Ukraine in the contest. This time the song was in the Ukrainian language. Her song was "The Kukushka" which finished second. Following complaints from viewers about the voting procedure in that years final, a new final was to be held on 3 March 2011, But after Jamala and Ognevich withdrew from this new final in the days before it was scheduled to be held, Mika Newton became the artist to represent Ukraine.
On 23 December 2012, Zlata made her third attempt to represent Ukraine at the Eurovision Song Contest, by entering the Ukrainian national selection Evrobachennya 2013 - Natsionalyni vidbir with the song "Gravity". After scoring maximum points from both the jury and televote, Ognevich won the right to represent Ukraine at the Eurovision Song Contest 2013 in Malmö, Sweden. At the competition, Ukraine qualified from the first semi-final on 14 May 2013, placing 3rd in a field of 16 songs and scoring 140 points. In the final, Ognevich and "Gravity" placed 3rd, scoring 214 points and receiving 12 points from Armenia, Azerbaijan, Belarus, Croatia and Moldova. Ognevich hosted the Junior Eurovision Song Contest 2013 on 30 November along with Timur Miroshnychenko. Ognevich announced the voting results from Ukraine during the Eurovision Song Contest 2014. In August 2014, Ognevich released her own version of Ukraine's national anthem "Shche ne vmerla Ukraina".
Political career
In the 26 October2014 Ukrainian parliamentary election Ognevich was a candidate of Radical Party. According to Radical Party leader Oleh Lyashko, Ognevich was on the party list because "I understand that in the imagination of people a parliamentarian is jowly, paunchy, old, sick and stupid. I want in Parliament young, smart, beautiful". In the election her party won 22 seats and thus Ognevich was elected into parliament. In parliament she focused on cultural issues and copyright issues. Ognevich was present at 57% of all parliamentary sessions during her tenure in parliament. On 10 November 2015, Ognevich submitted a letter of resignation to parliament. In her resignation speech to parliament of the same day, she stated: "Now I see that when there is no culture it’s easier to rule and manipulate people. That’s why in these circumstances, as cultural activist, I’m not helpful to this parliament…". In the speech, she also accused her former colleagues of serving lobbyist interests and not the general public.