From Sao Paulo, Brazil

From last.fm:

Cansei de Ser Sexy (commonly known as CSS) is a band from São Paulo, Brazil, formed in 2003. The band name is Portuguese for “Tired of Being Sexy” (taken from something Beyoncé once commented to the press: “I am tired of being sexy”). The members are: Lovefoxxx (vocals), Adriano Cintra (drums, guitar, vocals and production), Luiza Sá (guitar, drums and keys), Ana Rezende (guitar and harmonica), Iracema Trevisan (bass) and Carolina Parra (guitar and drums). Read more about CSS on Last.fm.