Kristen is a recurring character in the first and second seasons of Entourage (series). She is Eric Murphy's on-and-off girlfriend and a psychology student at University of Southern California. She is portrayed by Monica Keena.
Throughout the first seasons, Kristen's had a stormy relationship with Eric that culminated in numerous breakups. However, despite their predicament, Kristen and E reconcile and it was Kristen's encouragement that led Eric to formally ask Vince to be Vince's manager at the end of season 1.
At the start of the second season, Kristen - who reportedly cheated on E during the shooting of Queens Boulevard in New York- and E have one more intimate moment before saying goodbye and part ways for good.