Madonna Louise Ciccone is an American singer-songwriter, actress and businesswoman. Referred to as the "Queen of Pop" since the 1980s, Madonna is known for pushing the boundaries of songwriting in mainstream popular music and for the imagery she uses onstage and in music videos. She has frequently reinvented her music and image while maintaining autonomy within the recording industry. Although having sparked controversy, her works have been praised by music critics. Madonna is often cited as an influence by other artists.