Best Pictures of the Week, Including Costume Institute Gala and Cinco de Mayo

The Week in Pictures

Best Pictures of the Week, Including Costume Institute Gala and Cinco de Mayo

What a gala week it was! Famous faces got gussied up for the Time 100 Gala and the Met's annual Costume Institute Gala. Meanwhile, smiling-faced umbrellas greeted visitors at the Japan pavilion, as Shanghai World Expo (left) continued. We also celebrated Cinco de Mayo and more, so click through to relive the week in photos.

Source: WireImage, Getty
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