Tweet “Mad Men’s” Vincent Kartheiser and the AMC show’s Season 5 guest star, Alexis Bledel, are getting married. Alexis and Vincent are engaged, a rep for the actress confirmed to PLAY IT NOW: Alexis Bledel: ‘I Actually Love Action Movies’ The former “Gilmore Girls” starlet, 31, played the mistress of Kartheiser’s ad exec character, […]