The whole damn world has gone "plank" crazy! Ok, so at this point you probably have come in contact with pictures of "planking". People laying flat and stiff (pause) on some sort of crazy object (usually in public). Well, celebs have joined in on the fun, and have taken to Twitter, Facebook, and Tumblr to post pics of them involved in the gimmick of the moment. Flip through to peep the planking madness.