Voice actors (L to R) Jada Pinkett-Smith, Chris Rock, Martin Short, Ben Stiller and Jessica Chastain arrive 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]

Voice actors Chris Rock (L) and Jada Pinkett-Smith arrive 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]