Lydia Hearst and Kevin Connolly
05/02/2014 at 05:00 PM EDT
and Lydia Hearst
have broken up.
star and the socialite/model, who dated for more than a year, have gone their separate ways, a source confirms to PEOPLE.
Hearst, 29, who's the daughter of heiress Patty Hearst and is currently a judge alongside Naomi Campbell on Oxygen's The Face
, told Access Hollywood
in March that she and Connolly, who stars in the new series Friends with Better Lives
, had "met through mutual friends and Facebook."
Connolly, 40, who's filming the Entourage
movie recently broke his leg
while shooting a scene for the eagerly anticipated big-screen version of the beloved HBO show.
Reps for each have not commented.
Reporting by JENNIFER GARCIA