The theme, of course, was model as muse. The atmosphere, glamour to the max. Here, some of our favorite entrances from the Costume Institute gala.

Dashing Duos
[#image: /photos/5853914057dfc3b0230f8320]||||||Justin Timberlake and Jessica Biel

[#image: /photos/585391409c190ec57ac08b1a]||||||Kate Moss and Marc Jacobs

[#image: /photos/58539141d3b7a5db18f3b952]||||||Marion Cotillard (in Dior) and Chopard and John Galliano

[#image: /photos/58539141c7188f9b26c92f96]||||||Diane Kruger (in Chanel) and Joshua Jackson

[#image: /photos/58539141e3d613c03e1ebf79]||||||Gisele Bundchen (in Versace) and Tom Brady

[#image: /photos/585391429c190ec57ac08b1c]||||||Lou Doillon and Olivier Theyskens

Stella's Girls

[#image: /photos/5853914257dfc3b0230f8322]||||||Liv Tyler, Kate Hudson, Stella McCartney and Kate Bosworth all in Stella McCartney

Eccentrics (or eccentric choices)

[#image: /photos/58539143e3d613c03e1ebf7b]||||||Sasha Pivovarova in Giambattista Valli

[#image: /photos/58539144d3b7a5db18f3b954]||||||Leighton Meester

[#image: /photos/5853914457dfc3b0230f8324]||||||Coco Rocha and Isaac Mizrahi

[#image: /photos/585391459c190ec57ac08b1e]||||||Agyness Deyn and Twiggy

[#image: /photos/58539145c7188f9b26c92f98]||||||Amanda Brooks

Click HERE for more photos from the evening.

Photos: WWD Staff.