'Mad Men' stars Vincent Kartheiser and Alexis Bledel make their red carpet debut as a couple

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Alexis Bledel and Vincent Kartheiser's characters might not have found love on "Mad Men" last season, but the couple's romance seems to be heating up in real life. The two made their red carpet debut as a pair at the Macallan and Annie Leibovitz Photo Launch at New York's Bowery Hotel last night.

"I'm a really lucky guy," Kartheiser tells Us Weekly. "The most important thing, for us, is to make sure that we see each other in the flesh at least once every 10 days. All the other stuff is good, like FaceTime and the texting ... I love seeing her."

The couple has been together for about four months, and were first spotted back in June. Bledel played Kartheiser's love interest in season 5 of Mad Men, though their story arc seemed to end with some finality last season. Knowing Mad Men, though, we wouldn't be surprised if Bledel made a surprise appearance in the upcoming season 6.

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