Jon Hamm buttoned up a blue cardigan and got into character for Larry David's Clear History in Massachusetts yesterday. He reported to work on the HBO film, which also stars Kate Hudson, after an exciting Emmys weekend in LA. Jon attended the award show with longtime girlfriend Jennifer Westfeldt, who wore a blue gown by J. Mendel. Despite January Jones, Elisabeth Moss, and Christina Hendricks joined other famous faces at the Governor's Ball. They'll be back together again next month, when Mad Men starts filming its sixth season.