Before the '' Operacija trijumf '' , Kostić had a few television appearances on the B92 . In 2008 , she reached the regional fame as a student of '' Operacija trijumf '' , Balkan version of Endemol 's '' Fame Academy '' . At the opening gala event , she performed " Molitva " , the Eurovision Song Contest 2007 winning song of Marija Šerifović , with another student Milica Radošević and Šerifović herself . After series of additional competitions , broadcast on '' Operacija trijumf '' special show , the audience decided to give Kostić and Macedonian Kristijan Jovanov a second chance
Eurovision Song Contest 2007
Eurovision Song Contest 2007
Mika K.