By Kelly Holechek
Oct 02, 2012 @ 2:03 pm
Courtesy Photo

Katy Perry ditched her rainbow strands for shiny long locks to pose in the new ad campaign for GHD hair products, out now. The black and white images show a sophisticated and sexy Perry in get-glam moments around the studio, like in the dressing room, on the directors chair, and at a makeup vanity. So glamorous! See more celebrities take their turn at modeling by clicking through the gallery.

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