Hayden Panettiere and her Heroes co-star Milo Ventimiglia were seeing dining at The Water Grill in Los Angeles on December 18, laughing loudly. Fellow castmates Masi Oka, Sendhil Ramamurthy and Dania Ramirez joined them, reports People.com. According to an onlooker, Panettiere and Ventimiglia arrived together and sat next to each other, and the 19-year-old stunner rested her arm on her costar throughout the meal.
