As you've probably heard, Kourtney Kardashian and Justin Bieber began hooking up last month, and there was a time when it looked as though the two might be in the midst of forming a real relationship.

So it's likely that Kourtney was more shocked than anyone by the photo of Justin kissing Hailey Baldwin that made the rounds online this weekend - and she's reportedly now considering pulling the plug on her friends-with-benefits situation.

Posted in: Kourtney Kardashian