Is that hers? Kendall Jenner's Bum photo got tongues wagging

 Kendall is known as the good girl of the Kardashian/Jenner clan.However, it seems she is trying to shed that good girl image..From going braless, flaunting her nip rings etc.Now,she shared a photo of a bikini bottom with a middle finger sign .It has many wondering if it's hers or just a sign to her haters..