Madonna (64) is a singer-songwriter and actress who has shaped the landscape of music and fashion throughout her four decades of work. She is considered one of the most influential music artists of the 20th and 21st century. With sales of over 300 million records worldwide, Madonna is the best-selling female recording artist of all time. She is the most successful solo artist in the history of the U.S. Billboard Hot 100 chart and has achieved the most number-one singles by a woman in Australia, Canada, Italy, Spain, and the United Kingdom. We look at her life and career.