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.