Prince Albert, Princess Caroline, Princess Stephanie, Princess Alexandra, Ben-Sylvester Strautman, Andrea Casiraghi, Tatiana Casiraghi, Camille Gottlieb, Louis Ducruet and Marie Ducruet attended the screening of the documentary 'Rainier III by himself' (Rainier III par lui-même) at Salle des Princes of the Grimaldi Forum in Monaco.