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Katy Perry's Best and Worst Fashion Moments

In honor of her 28th birthday on Oct. 25, we're looking back at the pop star's bold style -- both good and bad! (23 Photos)

Rebecca Iannucci on Oct 25, 2012 at 11:02AM

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Katy Perry's Best and Worst Fashion Moments

Kevin Mazur/WireImage

Best: Flower Power

Katy Perry is showing off her good fashion sense and her good heart! The singer wears a lovely black dress with a plunging neckline, sheer sleeves and floral details for Comedy Central's Night of Too Many Stars -- an event benefiting autism. During the televised show, (which took place on Oct. 13 in N.Y.C.) Perry sang a touching duet with a young autistic fan.