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The movie Zookeeper may feature talking animals, but the voices are definitely the cream of the crop!

Rosario Dawson looked gorgeous on the green carpet in a plunging black dress at the Zookeeper premiere in Westwood. Cher, on the other hand, chose a more casual ensemble ... including a snug brown top, suede jacket and large turquoise jewelry. You can see Cher's cowboy hat in the gallery below. Eeesh!

Zookeeper, also starring Kevin James and Leslie Bibb, hits theaters tomorrow. See Kevin's King of Queens' co-star, Leah Rimini, working the crowd ... after the jump.