Kourtney Kardashian is a cougar on the prowl! Hailey Baldwin is reportedly terrified that the oldest Kardashian sister will hit up her fiancé, Justin Bieber, following her split with Younes Bendjima. While Hailey is 21, Kourtney is 39 years old and has the whole package — settled with money, kids and she has history with Bieber. However, Hailey might not need to worry is Rickey Smiley gets ahold of Kourtney’s number!