People News Alexa Ray Joel supporting mother Christie Brinkley after affair 07/30/2006 Singer Alexa Ray Joel came out in support of her mother, Christie Brinkley, at a recent New Jersey concert over the much-publicized affair of her stepfather. Read More RELATED NEWS Jimmy Fallon's 'The Tonight Show' dropping to only four nights a weekAshley Tisdale announces birth of her second childSelena Gomez is a billionaire TAGS: Christie Brinkley Ray J Billy Joel