Actors Robert De Niro (L) and his wife Grace Hightower (R) arrive on the red carpet ahead of the screening of the animated film "Madagascar 3: Europe's most wanted", at the 65th Cannes Film Festival May 18, 2012. [Photo/Agencies]

Actor Robert De Niro arrives on the red carpet for the screening of the animated film "Madagascar 3: Europe's most wanted", at the 65th Cannes Film Festival May 18, 2012. [Photo/Agencies]