This film image released by DreamWorks Animation shows, Gloria the Hippo, voiced by Jada Pinkett Smith, left, Melman the Giraffe, voiced by David Schwimmer, center, and Marty the Zebra, voiced by Chris Rock, in a scene from "Madagascar 3: Europe's Most Wanted." (AP Photo/DreamWorks Animation - Paramount Pictures) This film image released by DreamWorks Animation shows, Gloria the Hippo, voiced by Jada Pinkett Smith, from left, Alex the Lion, voiced by Ben Stiller, Melman the Giraffe, voiced by David Schwimmer, and Marty the Zebra, voiced by Chris Rock in a scene from "Madagascar 3: Europe's Most Wanted." (AP Photo/DreamWorks Animation - Paramount Pictures) This film image released by DreamWorks Animation shows, Gloria the Hippo, voiced by Jada Pinkett Smith, from left, Alex the Lion, voiced by Ben Stiller, Melman the Giraffe, voiced by David Schwimmer, and Marty the Zebra, voiced by Chris Rock in a scene from "Madagascar 3: Europe's Most Wanted." (AP Photo/DreamWorks Animation - Paramount Pictures) This film image released by DreamWorks Animation shows, Gloria the Hippo, voiced by Jada Pinkett Smith, left, Melman the Giraffe, voiced by David Schwimmer, center, and Marty the Zebra, voiced by Chris Rock, in a scene from "Madagascar 3: Europe's Most Wanted." (AP Photo/DreamWorks Animation - Paramount Pictures) This film image released by DreamWorks Animation shows, Alex the Lion, voiced by Ben Stiller, left, and Gia the Jaguar, voiced by Jessica Chastain, in a scene from "Madagascar 3: Europe's Most Wanted." (AP Photo/DreamWorks Animation - Paramount Pictures)