Billy Joel chose the Fourth of July to say 'I do' to wife No. 4 in a super secret ceremony at his Liong Island estate.
Joel and Alexis Roderick, who at 33 is half his age, exchanged vows in front of New York Gov. Andrew Cuomo, a close friend of the Piano Man.
The couple have been dating since 2009 and in April revealed that she is expecting later this summer.
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This will be the first child for Roderick, who is an analyst at Morgan Stanley; and the 66-year-old Joel's second. He and actress/model Christie Brinkley are the parents of 29-year-old songbird Alexa Ray Joel.
The ever-gracious Brinkley, 62, remains close friends with Joel.
On Instagram, she wrote: "Congratulation to the glowing bride and groom. And to my daughter Alexa, who has a wonderful friend in Alexis! Wishing the growing family every happiness!"