The couple, who have been together for nearly a decade, have rules for their terms of endearment Jason Kelce knows better than to call his wife “hon” or “sweetie,” but he does have a “pet” name for Kylie!

Kelce, and her husband, Jason Kelce, announced they were expecting their fourth daughter together in November. In the photo Kelce posted of her three oldest daughters in matching pink sweaters that read, “Big Sister,” each of them had a different reaction to the news. Their youngest daughter, Bennie, seemed to take the news the hardest.