Real name: Jackeline Martins Petkovic

Jackeline Martins Petkovic (São Paulo, November 10, 1980) is a presenter, singer, dublin, actress, model, writer and Brazilian broadcaster.

She made her television debut on the "Fantasia" show on SBT afternoons in 1991. SBT ownerr, Silvio Santos, invited her to record a pilot of the children's TV show Bom Dia & Cia. The pilot was recorded on a Wednesday and the following Monday the work was on the air. Without cuts. And on September 21, 1998, she began to run the program for 5 years and became more demanded for advertising campaigns. Jackeline was successful in its debut. At that time, the newspaper Estadão pointed out Jackeline Petkovic as one of the 5 most successful Brazilian children presenters.