Born in Savannah, Ga., Dianna Agron grew up in San Francisco and is a supporter of the animal rights organization PETA.
Agron appeared on a number of TV shows including Numb3rs, Shark and CSI: NY, Veronica Mars. She had a leading role in the Milo Ventimiglia-directed miniseries It's a Small World and later joined the actor on the set of Heroes when she took a guest spot.
Agron played cheerleader Qunn Fabray on Fox's hit series Glee. She began dating her I Am Number Four costar Alex Pettyfer in August 2010; they broke up six months later.