Sergej Ćetković was born in Podgorica, SR Montenegro, Yugoslavia on 8 March 1976.
His first appearance was as a member of the youngest Montenegrin group at that time called Vatrena srca (Fiery hearts).
He started his career as a singer in 1998 at the well known festival called Sunčane skale with the song Bila si ruža (You were a rose).
After this, Sergej presented to the media his third CD called Kad ti zatreba with 10 new songs.
In year 2007, he had an extremely successful tour throughout Serbia and Montenegro, which was completely sold out, and for every town, additional evenings had to be scheduled.