Billy Joel and Elton John haven’t always seen eye to eye. During the newly released second part of HBO’s “Billy Joel: And So It Goes” documentary, Joel revealed how John’s public push for him to enter rehab caused a major rift between the two music superstars.

One topic the exhaustive doc doesn’t address is how Joel went from a scruffy aspiring metal head to a guy whose public uniform was a coat and tie.

Christie Brinkley opened up about her rocky marriage to Billy Joel in a new documentary about the iconic musician’s life. The model married Joel in 1985, and the two welcomed their only child, Alexa, later that year. Brinkley said that she tried to make her relationship with Joel work, but there was one thing that got in the way.

But to three of Billy Joel’s biggest fans, he’s best known as Dad. The beloved 76-year-old singer-songwriter first became a father in his 30s, with the arrival of daughter Alexa Ray Joel. Then, in his 60s,

Billy Joel's 50-year career warranted a five-hour documentary. It's comprehensive, emotional and a must-watch for any music fan.