Beyonce Giselle Knowles-Carter born September 4, 1981 is an American singer, songwriter, record producer and actress. Beyonce was the lead singer of Destiny's Child and the group became one of the world's best-selling girl groups of all time. As self-described "modern-day feminist", her musical repertoire is often characterized by themes of love, relationships, and monogamy, as well as female sexuality and empowerment. In 2008, she married Jay Z and in 2012, they had their daughter, Blue Ivy Carter.