Billy Joel is detailing his complicated relationship with his dad in his new documentary 'And So It Goes,' including the time his father 'knocked me out' as a child for playing 'Moonlight Sonata ...

The "Piano Man" is recalling a moment in which he was knocked unconscious by his own father after putting his own flare on Beethoven’s "Moonlight Sonata." ...

Mariska Hargitay revealed that she spent Father's Day with her biological dad, Nelson Sardelli, and that he apologized to her: 'He said, 'Thank you for forgiving me.'' ...