Legendary celebrity photographer Annie Leibovitz is about to unveil an all new addition to her very popular series of promotional images for Disney Parks.The Disney Dream portrait collection has featured dozens of celebrities cast as iconic Disney characters from the companies exhaustive collection of animated films. An all new image is set to be released tomorrow, and the Disney Parks blog has even provided a very intriguing preview of the image that utilizes Disneyland's Haunted Mansion as part of the backdrop. Any guesses on which characters will be featured? Maybe Tiana and Naveen from Princess and the Frog? Or maybe, just maybe we will see some Grin Grinning Ghosts just in time for Halloween.