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Perry wore a traditional Japanese dress during her show-starting performance of "Unconditionally" as scores of colorfully clad dancers waved fans, danced in front of rice-paper screens and played the drums.
She said before the show she wanted to up her game, given the chance to open, and the whirling stage production was a wash of colors and movements before Perry disappeared in a puff of smoke.
But not all AMA viewers appreciated Perry's efforts. Only moments after her performance began, some took to Twitter, charging that the pop star's stage costume was racist.