Jessica Chastain is regal, Jada Pinkett Smith is fiery orange at 'Madagascar 3' premiere at Cannes (Photos)

9 of 24: Jessica Chastain attends the 'Madagascar 3: Europe's Most Wanted' Premiere during the 65th Annual Cannes Film Festival at Palais des Festivals on May 18, 2012 in Cannes, France.

The actress is wearing a white ,regal Giorgio Armani strapless gown and Chopard jewelry - a pair of diamond earrings set in 18-carat white and rose gold and an emerald-cut diamond ring, set in platinum. ( Photo / Andreas Rentz / Getty Images for Paramount)