Robert De Niro's girlfriend Tiffany Chen, 45, brings baby Gia to actor's star-studded 80th birthday celebration with A-Listers Christopher Walken, Paul McCartney, George Lucas and Francis Ford Coppola in tow
Robert De Niro turns 80! The actor's daughter Drena De Niro and his Goodfellas costar Debi Mazur post tributes to the Hollywood legend
Robert De Niro at 80: from Godfather Part 2 to Dirty Grandpa, his best and worst films
