Madonna Louise Ciccone (/tʃɪˈkoʊneɪ/ chi-KOH-nay; born August 16, 1958) is an American singer-songwriter, actress and entrepreneur. One of the most prominent cultural icons for over three decades, she has achieved an unprecedented level of power and control for a woman in the entertainment industry. Madonna is known for continuously reinventing both her music and image, and for retaining a standard of autonomy within the recording industry. She attained immense popularity by pushing the boundaries of lyrical content in mainstream popular music and imagery in her music videos, which became a fixture on MTV. Music critics have praised her diverse and innovative musical productions which have also been known to induce controversy. Cited as an influence among numerous artists around the world, she is often referred to as the "Queen of Pop".