Hayden Panettiere Splits With Longtime Boyfriend
Posted on Mon Feb 16, 2009 03:00 PM PDT

Hayden Panettiere HaydenSplit200.jpgLOS ANGELES, California (X17onlie) - Hayden Panettiere and her longtime boyfriend and "Heroes" co-star Milo Ventimiglia has broken up, Us magazine reports.

The reason for split: "It was a lifestyle conflict," a source tells the magazine. "They were in very different places."

Apparently 19-year-old Panettiere is fond of Hollywood nightlife, while 31-year-old Ventimiglia is more of a homebody. However, the split is described as amicable.

"They are still on friendly terms," the source continued. "There are no hard feelings."

The couple had been dating since early last year.