Robert De Niro's co-star Kim Cattrall revealed the woman the actor recently welcomed his seventh child with —Tiffany Chen. "God bless him. His significant other, Tiffany, is such a beautiful woman. She came to the set once with her family and watched filming, and she was gorgeous and sweet. And I'm happy for both of them," Cattrall told "Extra" at the premiere of their new movie, "About My Father." De Niro has not openly spoken about his relationship with Chen, although they have been linked to one another since 2021. Chen is a martial arts instructor and kickboxer.