Roberta Cristina Campos Martins (born 15 May 1977) is a Brazilian singer-songwriter.

[1] In 2008, she self-produced her first album, Para aquelas perguntas tortas, which through Myspace got her a significant fanbase.

[1] Put under contract by Deckdisc, in 2010 she released her second album, Varrendo a lua, which featured collaborations with Nando Reis, Lô Borges and Nô Stopa [pt], among others.

[1] Her 2015 album Todo Caminho é Sorte was nominated for the Latin Grammy Award for Best MPB Album.

[2] In 2024, she launched the project 4Mãos together with Kid Abelha founding member George Israel.