Mad Men actress January Jones has been pregnant for a couple of months now. While she has made no effort to hide it, she isn’t revealing the father of the child either. The actress, who portrays an icy wife to Jon Hamm in the exciting drama series, has not made any comment about the paternity of the child. The father of the child has not commented either. Rumors are swirling around that the father of the child is X-Men: First Class director Matthew Vaughn. The well-known director, who is married to supermodel Claudia Schiffer has three kids of his own already. Matthew Vaughn has also gone on to deny that he is the father of January Jones’ baby. January currently stars in the new X-Men movie as the mutant Emma Frost, an antagonist who plays right-hand woman to Kevin Bacon’s character, Nazi Sebastian Shaw. The movie is a summer blockbuster that also stars Michael Fassbender, James McAvoy, Lucas Till and Zoe Kravitz. It is a prequel to the X-Men series that is popular all over the world. January Jones is said to be expecting her baby at the end of 2011. There has been no confirmation as to whether the child is a boy or a girl.