The only thing shining brighter than the Mediterranean sun at the recent Cannes Film Festival was all the glittering jewelry. Hollywood’s finest stepped out dripping in jewels —especially diamonds — with plenty of gold to match. Penélope Cruz and Nicole Kidman made dramatic — but separate — entrances: Cruz in an intricate jade Dior look and Kidman in a Bulgari necklace that held up her Pucci gown. Monica Bellucci traded in the Latex number she wore in “Matrix Reloaded” for a frilly Dior gown topped with a sparkling Cartier piece. Meanwhile, Indian film star Aishwarya Rai went for traditional gold Indian drop earrings and necklaces to match her saris.