Katy Perry attends ABC's "American Idol" Finale on May 19, 2019 in Los Angeles, California.
(May 18, 2019 - Source: Getty Images North America)
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Katy Perry looked playfully glam in a polka dot-panel off-the-shoulder gown by Ronald van der Kemp at the 'American Idol' finale.
Brand: Ronald van der Kemp