Coco Rocha, Hilary Rhoda, Doutzen Kroes at the 2010 MET Ball

Models Coco Rocha, Hilary Rhoda, Doutzen Kroes and actress Riley Keough attended the the 2010 Costume Institute Gala to celebrate the launch of American Woman: Fashioning A National Identity at the Metropolitan Museum of Art, New York City, Monday, May 3, 2010.

Coco Rocha in a dress by Zac Posen.

Hilary Rhoda in a dress by Prabal Gurung. Jewelry: Cartier. Shoes: Christian Louboutin. Clutch: VBH.

Riley Keough in a dress by Thakoon for Gap. Jewelry: Tom Binns. Shoes: Christian Louboutin.

Doutzen Kroes in a dress by Zac Posen. Jewelry: Tiffany & Co. Shoes: Christian Louboutin.