Patrick is the CEO of Hollywood talent agency WME, with A-list clients including Matt Damon, Ben Affleck, Hugh Jackman, Robert Redford and Michelle Williams.
The Chilean-born beauty is believed to have begun quietly dating the Hollywood heavyweight in May, according to Page Six.
Pia’s first indication of the new romance came in June, when she posted a picture of the loved-up pair under the Eiffel Tower in Paris to Instagram.
“Oh, Paris, Paris... the city of lights - I'm in love.” She captioned the image.
Pia’s most recent relationship was with film producer Tyson Mullane. The pair got engaged in 2018 but called off their romance earlier this year.
The actress also has two son’s from previous relationships.
Meanwhile, Patrick’s former wife, Lauren Sanchez made headlines earlier this year after ditching the Hollywood talent agent for Amazon CEO Jeff Bezos.