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Their reps may deny it, but it sure looks as if "Heroes" costars Hayden Panettiere and Milo Ventimiglia are a hot couple.

Click HERE to see what they were seen doing at Sunday night’s Entertainment Tonight/People Emmy party.

Are they rehearsing for "Dancing With the Stars"? Are they just friends with dirty-dancing privileges? Or is this a serious romance? All in favor of the latter, say aye!

After watching the video, it’s clear that Hayden is the better dancer. And where were Milo’s hands, anyway?

Photo credit: Hayden and Milo only have eyes for each other at the San Diego Comicon event. Is this the look of love?

Posted by:Elizabeth Snead