It's no secret that the Met Gala is the world's most fashionable theme party. Before the Met Gala takes over the Metropolitan Museum of Art tonight, take a look back at ten Custom Couture Royal Blue Party Dress Hours Color: Blue Size: 10 Jacobiel's Closet Royal Blue Gold Beaded Side Slit Mermaid Long Evening Prom Dresses, 17 SposaDresses Kids Dream 498 Royal Blue Dupioni Tulle Dress w Gold Sequins V Back &Bow Pink Princess Royal Blue Sequins Gold Appliques Off The Shoulder Floor Length Wedding Dress