Moraes was born in São Paulo and sang in church as a child. Her professional career began in a band called Metanoya in 1992; their debut album, Guerra, was released in 1993. In 1998, she signed with Gospel Records as a solo artist, and her debut, Pensando em Deus, was released in 1999. Her 2004 release Deixa o Teu Rio Me Levar was awarded a Latin Grammy in 2005 for best Portuguese language Christian album. She also won four Troféu Talento awards.