No hard feelings? On Monday, January 8, Jon Hamm spoke with a news outlet while attending the Mean Girls premiere in New York City alongside wife Anna Osceola — and admitted there’s been a few hiccups in their relationship so far. When asked about his relationship, the 52-year-old spilled, “It’s exciting, you know, it’s very nice. We had our six-month anniversary on Christmas Eve, so that was sort of nice. It makes it easier to remember.” Despite the Mad Men star believing the date was simple to recall, he did admit Osceola forgot their six-month anniversary, however, he gave her a pass in lig…