Beyoncé Knowles is an American R&B/pop singer, songwriter, record producer, dancer and actress. She is well-known for being the lead singer of former American girl group, Destiny's Child, and is also internationally praised for her powerful vocal prowess and complex dance choreography. Her signature singles include "Crazy In Love", "Irreplaceable" and "Single Ladies (Put a Ring on It)". She has also starred in films such as The Pink Panther and Dreamgirls.