Not everyone wants to be in Blake Shelton 's company. The Voice coach learned that the hard way recently after Christina Aguilera 's fiancé, Matthew Rutler , asked him if he would take a picture with their 15-month-old daughter , Summer Rain Rutler , on the set of NBC's hit series. "So, you met Christina Aguilera's baby. Seth Meyers said with a laugh. "You know, I'm not good with babies. "Matt, which is [Christina's] baby daddy, came up and was like, 'Will you take this picture?'