Jennifer Garner and Ben Affleck have a new baby girl, E! reports. No details, but both mother and child are doing well, said a spokesman. The new addition is the second child for the celeb parents, both 36—little Violet came along three years ago. "She's probably the best mother I've ever witnessed," said Garner's former Alias co-star, Victor Garber, in October. (More Ben Affleck stories.)