Robert De Niro was joined by his girlfriend Tiffany Chen for a rare red carpet appearance 💖 The legendary actor, 82, posed hand-in-hand with his longtime partner, 46, at the Tribeca Film Festival Artists Dinner, stopping to pull a goofy face at one of the photographers 😆 The couple, who share a three-year-old daughter, Gia, were all smiles all evening ✨ 📽️ : Getty #RobertDeNiro