Tons of Hollywood celebrities came out to the Costume Institute Gala Benefit to celebrate the opening of the “American Woman: Fashioning a National Identiy” exhibition at The Metropolitan Musem of Art Monday night (May 3) in New York City.

Some of the celebs who attended the event and walked the red carpet were Jennifer Lopez, Janet Jackson, Diddy, Russell Simmons, Oprah, Pharrell Williams, Justin Timberlake, Whoopi Goldberg, Naomi Campbell and more.

Check out 20+ pictures of celebrities at the Annual Metropolitan Musem of Art Costume Gala below and when you continue reading…

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