The Serbian national broadcaster, RTS, selected Dunja Jeličić in cooperation with the Children's Belgrade Cultural Centre (CBCC). U LA LA LA was composed by Vladimir Graić, and written by Leontina Vukomanović with Dunja.
RTS worked with CBCC to find a candidate for Junior Eurovision through a studio workshop format called Little School of Musicial. The selection panel consisted of the following:
- Ivana Peters (vocal coach and composer of Serbia's entry for Junior Eurovision 2015)
- Ivana Tabori Obradović (producer of the musical and stage program at the CBCC)
- Tatjana Perović Vladušić (Head of Public Relations and Marketing at the CBCC)
- Vladimir Graić (author and composer of Molitva, Serbia's winning song in the 2007 Eurovision Song Contest)
Check out the official video for Dunja's song below!
Serbia debuted at Junior Eurovision in 2006 and last year singer Lena Stamenković finished in seventh place with Lenina pesma (Ленина песма).