Corey Gamble now being referred to as the Kardashian Grandpa

Corey Gamble is a year older today and Kourtney Kardashian shared her birthday message to him online and she referred to him as her kid's Grandpa. Well considering Bruce - sorry - Caitlyn is now a Grandma. He also got a shoutout from his boo, Kris Jenner. See that after the cut...