Gayle King couldn't be happier to see her daughter, Kirby, become a mother.The co-host told ET's Kevin Frazier at the premiere earlier this week that she has «turned into that guy,» smothering her 1-month-old grandchild and showing everyone photos of the little bundle of joy. King became a grandmother in September, after Kirby gave birth to a son named Luca Lynn Miller.«I am on vacation this week because I am on grandmother duty,» King shared about the week ahead.