Alexa Ray Joel (born December 29, 1985) is an American singer, songwriter and pianist. She is the daughter and only child of musician Billy Joel and super model Christie Brinkley. Joel is known for creating music in a variety of genres. Joel released an EP Sketches (2006) and several singles on an independent record label, a single from an announced album All I Can Do having also been released. Joel has performed at numerous charity events, and in 2010 was chosen to be the spokesmodel for Prell shampoo.