Christina Haack and ex-husband Ant Anstead continue to show up for their son Hudson. "Ahhhh man! This time of year is the best!!" Anstead, 46, and Haack, 42, captioned a joint Instagram post on Wednesday, December 17, of the duo attending Hudson's school Christmas show. "Hudzo and his classmates CRUSHED this mornings Christmas gingerbread man performance!" The caption continued: "He sang and narrated like a pro! Cutest....