Thaeme was born on October 4, 1985, in Presidente Prudente, São Paulo, but was raised in Jaguapitã, Paraná.

Teamed with her sister Priscilla and appeared in several TV shows, including Rede Record's Eliana's Talent Kids.

Mariôto signed a recording contract with Sony BMG, managed by SBT in August 2007, as part of her Ídolos Brazil prize package.

Studio recording sessions for the eponymous major label debut Thaeme Mariôto: Tudo Certo (English: Thaeme Mariôto: All Right) ran in São Paulo, São Paulo, started in September 2006 and finished in November in the same year and was released on December 5, 2007, with the song "Rotina" (English: Routine) as her first single.

A music video was filmed late, 2009, and first premiered on December 21, 2009, on Thaeme's official YouTube channel.