The real stars of Cannes may be the dogs

Open this photo in gallery: Messi, the dog star of Anatomy of a Fall poses as he arrives for the Opening Ceremony and the screening of the film Le Deuxieme Acte at the 77th edition of the Cannes Film Festival in Cannes, southern France, on May 14.LOIC VENANCE/Getty Images It's been a dog's life at this year's Cannes Film Festival - or should that be the Canine Film Festival? Since the 77th edition's opening day, human actors have shared the limelight with their canine co-stars on and off the red carpet, kept secure by the perky sniffer dogs that dart…