Beyoncé Giselle Knowles-Carter (born September 4, 1981) is an American singer, songwriter, record producer, dancer and actress. She was the lead singer of the all-girl R&B group Destiny's Child. She released her first album "Dangerously in Love" in 2003 when Destiny's Child were on a break. Since then, she has released five more albums, which have all produced hit singles. She is married to rapper JAY-Z and has a daughter named Blue Ivy Carter and twins Sir and Rumi Carter.