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.

Billy Joel opens up about his struggles with alcohol abuse in the new HBO documentary Billy Joel: And So It Goes — and reveals that ex-wife Katie Lee gave him something of an “ultimatum” to either seek help or end their relationship.

Billy Joel is opening up about a tough moment with longtime friend and tourmate Elton John. In the second part of the new two-part HBO Documentary, “Billy Joel: And So It Goes,” the “New York State of Mind” singer shared how John’s public comments that he needed rehab strained their friendship.

Billy Joel's two-parted documentary, And So It Goes, co-executive producer Steve Cohen opened up about Tom Hanks' approach towards the film.The HBO project follows Joel’s

Billy Joel was welcomed by his parents, mom Rosalind and dad Howard, in 1949. Here's everything to know about Billy Joel's family, including his parents and siblings.

And So It Goes' interviews all four of his wives and candidly examines singer's struggles with money, alcohol and critics

And So It Goes, and offered a rare glimpse into his personal life behind the scenes.The 76-year-old legendary singer opened up

Billy Joel says there was once "bad blood" between him and Elton John. In the second part of a new two-part HBO documentary Billy Joel: And So It Goes, the "Piano Man" singer opens up about how the "Your Song" musician's public declaration that he needed rehab caused tension between them.