He is known for supporting roles in films including Almost Famous, Big Fish, Mission: Impossible III, Watchmen, Public Enemies, Spotlight, and Alien: Covenant, as well as lead roles in films including Without Limits, Dedication, and the animated film Princess Mononoke.
Crudup has a six year-old child with Parker; the couple notoriously split in 2007, shortly before Crudup dating his "Stage Beauty" co-star, Claire Danes.
A rep for the 48-year-old actress didn't respond to Page Six's numerous requests for comment Monday, and a spokesperson for the 49-year-old actor had no comment.
“One witness said that he was eating at a cafe at lunchtime when Naomi Watts and Billy Crudup walked in holding hands. Pretty cool seeing two big stars so into each other.’ The witness said that a casually dressed duo, ate lunch together and ‘looked happy and were laughing a lot, then left again holding hands.’” Naomi and her ex, Liev Schreiber were together for 11 years and announced their split last September. Personal Space is Bravo's home for all things "relationships," from romance to friendships to family to co-workers. Then Like us on Facebook to stay connected to our daily updates.
Billy previously dated Mary-Louise Parker, with whom he has a 13-year-old son, William, and Claire Danes.
Also seen leaving the party were models Kate Moss and Jourdan Dunn, as well as actresses Noomi Rapace, Ellie Bamber, Sienna Miller, racer Lewis Hamilton and fashion guru Alexa Chung.
Naomi Watts is said to be moving on from Liev Schreiber with co-star Billy Crudup."People are going to try and interpret stories of mine in their own way, whenever they want to.Through the work I do, through what they read, through this story, through how I've represented myself in some speech I haven't done a great job of, or through a paparazzo I've lost my temper with and given the finger to.Meanwhile, Crudup has his own share of famous relationships.The Big Fish star was in a relationship with Mary-Louise Parker from 1996-2003.Naomi and Liev have a nine-year-old son called Alexander and an eight-year-old son called Samuel, and the two adults have remained amicable co-parents.