Did Liev Schreiber Cheat on Naomi Watts?

Naomi Watts’ Partner Liev Schreiber Is Accused Of Cheating screams a headline from HollywoodLife, picking up on a story from the even less savory site The Dirty, which previously made similar allegations about Ashton Kutcher and Demi Moore.
HollywoodLife writes, “Liev hasn’t been faithful” to Watts, his longtime partner and the mother of his two children, having reportedly had “sexual relations with model Phoebe Roberts.
The site claims after a wrap party in Australia, where Schreiber shot Mental, he and Roberts, who was Toni Collette’s body double in the film, went “back to his apartment.