Robert De Niro, 80, says he was in 'shock and disbelief' over grandson Leandro's fatal overdose at age 19: 'I never thought it would happen'
Robert De Niro's daughter Drena De Niro-Rodriguez visits grave of son Leandro three months after his fatal overdose at 19: 'I'll never get used to this, no one should'
Robert De Niro's daughter Drena attends actor's 80th birthday party weeks after the heartbreak of her son Leandro's death aged 19
Robert De Niro's daughter Drena pays tribute to late son Leandro on his birthday... one month after his death
Debi Mazar pays tribute to Robert De Niro's late grandson Leandro following his death at age 18
