Mančić is the daughter of Alexander Mančić, from Pirot, a journalist with the newspaper "Politika", and his wife Vera, from Valjevo. She began her career, shortly before her 18th birthday, with the song "Ogledalce, ogledalce" (Mirror, Mirror). In 1976, she sang at the Youth Festival in Subotica, winning second place. She recorded five albums and two singles. As well as "Mirror, Mirror", she had a hit in 1987 with the song "Pukla tikva na dva dela" (A pumpkin cracked in two), and in the same year was the Yugoslav Eurovision entrant with the song "Vreme nežnosti" (A time of tenderness). Later she worked as an entertainment show host, and for many years led the TV show where she pulled out "Dobin LOTO" combinations. Because of that she earned the nickname "LOTO girl", and became a pop icon in Yugoslavia.