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NEW YORK, NY - MAY 01: Katy Perry attends the 'Rei Kawakubo/Comme des Garcons: Art Of The In-Between' Costume Institute Gala at Metropolitan Museum of Art on May 1, 2017 in New York City. (Photo by Noam Galai/FilmMagic)

NEW YORK, NY - MAY 01:  Katy Perry attends the 'Rei Kawakubo/Comme des Garcons: Art Of The In-Between' Costume Institute Gala at Metropolitan Museum of Art on May 1, 2017 in New York City.  (Photo by Noam Galai/FilmMagic)

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NEW YORK, NY - MAY 01: Katy Perry, dress detail, attends 'Rei Kawakubo/Comme des Garcons: Art Of The In-Between' Costume Institute Gala at Metropolitan Museum of Art on May 1, 2017 in New York City. (Photo by Karwai Tang/WireImage)

NEW YORK, NY - MAY 01:  Katy Perry, dress detail, attends 'Rei Kawakubo/Comme des Garcons: Art Of The In-Between' Costume Institute Gala at Metropolitan Museum of Art on May 1, 2017 in New York City.  (Photo by Karwai Tang/WireImage)