Hayden Panettiere jessekisshayden.jpg

At least he's closer to her age than Milo!

Radar reports that the 19-year-old Heroes hottie partied with the 21-year-old singer at Crown Bar last night and it looks like the two were getting hot and heavy. The source claims Hayden "was sitting on Jesse's lap while he kissed her neck. Then she got up and did some crazy sexy dance in his lap."

Afterward, "they went outside to smoke and he wrapped his arms around her from behind and was kissing her neck again." Damn, her neck was clearly in need of attention! Wonder if Milo Ventimiglia was neglecting it?

Speaking of Milo, whaddya think his opinion is of all this? If he didn't know before, he does now!