Christie Brinkley shares sweet video of ex Billy Joel's surprise performance with daughter Alexa Ray
Christie Brinkley will always be her ex-husband Billy Joel's "Uptown Girl," and of still supporting him. The model, who recently celebrated her 70th birthday, stepped out in support of both the "Turn the Lights Back On" singer and their daughter, Alexa Ray Joel, 38, who joined her dad on the stage for his monthly Madison