On 19 January 2011 , Radio Television of Serbia ( RTS ) announced that the three members of the Kovač family — Kornelije , Aleksandra and Kristina — would compose three songs that would compete to represent Serbia in the Eurovision Song Contest 2011 . On 16 February , it was confirmed that Kristina Kovač had chosen Nina , then an unknown singer , to perform her song " Čaroban " . Kovač discovered Nina thanks to YouTube . On 26 February , Nina was chosen for the Serbian entry at the Eurovision Song Contest 2011 in Düsseldorf , Germany , with more than 15,000 SMS votes
Eurovision Song Contest 2011
Eurovision Song Contest 2011
Nina Radojičić