Chynna Phillips fights back tears as she lays bare her VERY complicated relationship with her 'troubled, tortured' father - revealing how Mamas & Papas frontman's 'horrible addiction to drugs and alcohol' has marred her life

Chynna (pictured in her YouTube video), 56, said her dad, The Mamas And Papas frontman John Phillips, was 'obviously very troubled and tortured,' and 'did some things... I know he's not proud of.'