In the words of Uncle Jessie, Have Mercy; Justin Bieber has forgot about his age group of women, and moved on to the cougars of the crew. The Biebes posted a photo of himself standing in front of a young lady with legs for days, and the caption “Lord know.” Sources are claiming that young lady is actually 36-year-old Kourtney. While she is denying the rumors of the two seeing each other, sources add that she is telling a big fat fib. Hit the jump for more.