"God bless her, man. She had a baby and he's a cute baby. She's doing it by herself. And you just go, 'Good for you.' She's a great gal. I wish her the best of luck there. I know from being raised by a single mum how hard it is." Mad Men actor Jon Hamm heaps praise on his co-star January Jones. The blonde beauty gave birth to little Xander back in September (11), but she's refused to identify her son's father.