And So It Goes,' Billy Joel revealed there was "bad blood" after Elton John suggested he go to rehab. The second part of the doc. will premiere on Friday, July 25 at 8 p.m. ET.

Billy Joel is looking back at the highs and lows of his life. In his new two-part documentary Billy Joel: And So It Goes on HBO Max, the "Uptown Girl" singer recalled getting treatment for alcohol abuse at the Betty Ford Center in 2005.

Billy Joel acknowledged “bad blood” between himself and Elton John in the second installment of his two-part HBO documentary “Billy Joel: And So It Goes,” released Friday. Joel explained the pair’s fallout occurred after John publicly insisted he needed to go to rehab.