The "Piano Man" singer shares firstborn Alexa with Christie Brinkley and daughters Della and Remy with Alexis Roderick.

Explore Billy Joel’s marriage history, from Elizabeth Weber, Christie Brinkley and Katie Lee to his life with Alexis Roderick

Take a look back at Joel's former partners, including Christie Brinkley, and get to know his current wife, Alexis Roderick Joel, too.

Alexa Ray Joel watched the new documentary about her father, 'Billy Joel: And So It Goes,' with mom Christie Brinkley. The film premieres in two parts on July 18 and July 25, on HBO Max.

Forgiveness is complicated. And so is self-examination. But Billy Joel, who has an inherent likability, and his loved ones seem to be well-practiced in the art of both.

Out of all her exes, Brinkley, now 71, remains closest with second husband Billy Joel — and even named her new memoir “Uptown Girl” after the 1983 hit song he famously wrote about her.

The first part of Billy Joel’s documentary ends with the musical titan noting, "I realize life doesn't always have a happy ending.” The second half of the engrossing “Billy Joel: And So It Goes” wraps with a similar sentiment of realism sprinkled with optimism.

Billy Joel has never been shy about the fact that drinking played a role in his biggest heartbreaks — including the end of his marriage to Christie Brinkley. In her recent memoir, Brinkley wrote that “booze was the other woman,