Are Hayden and Milo officially dating?
In In Touch magazine, Milo Ventimiglia finally admitted that he is dating his Heros co-star Hayden Panettiere.
In Touch claims that at a Christmas party at Water Grill in LA, Milo, 30, made a toast to his 18 year old girlfriend.
A witness said, "He called her his girlfriend and said that he loved her." The source also claims that they spent the whole rest of the night holdiong hands.
