Alexis Bledel and Vincent Kartheiser, whose characters had an illicit affair in the AMC series "Mad Men," are engaged.
This will be the first marriage for Bledel, 31, and Kartheiser, 33.
People and Us Weekly confirmed the news, and Bledel's pal told Us Weekly that "they couldn't be happier."
"Vincent proposed a few weeks ago. She's been wearing her ring. It's huge!"