<br /> **Jersey Shore** star Ronnie Ortiz-Magro’s ex-girlfriend Jen Harley was arrested last weekend.<br />Extra TV reports that Harley was booked for domestic battery.<br />TMZ first reported that Harley got into a fight with Ortiz-Magro in a car.<br />He demanded that she pull over, and she drove away before he fully exited the car.<br />Their infant daughter Ariana was in the back seat.<br />She is currently being held on $3,000 bail. <br />
