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Out with the old and in with the new!
Just a few hours before the special event, the "Party in the U.S.A." singer was sharing Instagrams with her signature blond hairstyle. But once cameras started to click in New York, it was time to debut a fresh look.
While working a revealing Alexander Wang gown that showed off some serious skin, Cyrus showcased her slicked back blue and green hair. She completed her look with an Ana Khouri ear cuff.