Katy Perry's ruffled polka dot gown from American Idol
Katy Perry's metallic silver tank top and skirt from American Idol
Katy Perry's yellow lace up slit dress from American Idol
Katy Perry's coral crystal floral cropped blouse and skirt from American Idol
Tiffany Haddish and Katy Perry's metallic silver strapless dress
Katy Perry's knit crop top and seashell fringe skirt from American Idol
Katy Perry's granny square crochet top
Katy Perry's metallic silver strapless dress and pumps from American Idol
Katy Perry's denim dress from American Idol
Katy Perry's burgundy faux leather cutout dress from an American Idol promo
Katy Perry's burgundy latex dress, moon earrings, and thigh high boots from American Idol
Katy Perry and Kelly Clarkson's burgundy latex dress
Katy Perry's blue patent leather dress and fun accessories from American Idol
Katy Perry's mint sequin tweed jacket and pants and pink glitter and bow pumps from American Idol
Katy Perry's cross necklace and panther print dress from American Idol
Katy Perry's double-breasted white dress, disc earrings, and chain detail sandals from American Idol
Katy Perry's leather dress, chain accessories, and lace up sandals from American Idol
Katy Perry's floral sequin dress from American Idol
Katy Perry's gold bamboo hoop earrings and smile rainbow sweater from American Idol
Katy Perry's evil eye earrings and black and gold blazer from American Idol