Gal Costa was not married however, she was in a couple of relationships that were public.
Gal Costa was a principal figure in the tropicalia music scene in Brazil in the late 1960s and appeared on the acclaimed compilation Tropicalia: ou Panis et Circenses (1968).
Gal Costa spent 17 years with Lucia Verissimo from 1989 to 2006. She was also in a relationship with Marina Lima.
Costa’s first album Domingo was released in 1967 through Philips Records. It was also Veloso’s debut. Gal stayed on the label, which later became PolyGram, until 1983.
Gal Costa is portrayed by Sophie Charlotte in the 2023 biographical film, Meu nome e Gal.