The actress, 19, struck up a romance with the 31-year-old while filming the hit sci-fi series.

Heroes stars Hayden Panettiere and Milo Ventimiglia have ended their relationship after more than a year together.It’s certainly true that with her perky blonde prettiness she perfectly resembles that icon of American high-school culture, straight out of central casting.Perhaps it was an ill-advised effort to shed her wholesome image that made Panettiere take on the contentious role of Amanda Knox in the television film Amanda Knox: Murder on Trial in Italy (2011).Last week the rumors about Milo and Hayden got hotter and more legitimate, but for those of you who needed to see it to believe it, here is something for you to feast your eyes on.The Heroes co-stars were very clearly holding hands at the movies in LA.