It never fails to amaze me that someone like Jon Hamm, whose job basically is to keep the weight off, cannot keep the weight off. If it were a character actor, it would be one thing. But he is a leading man. He has access to and the funds for personal trainers, personal chefs, and a vested interest in staying slim. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.