Katy Perry's glamorous gown for Sunday's live taping of American Idol sparked a myriad of reactions, with even the host Ryan Seacrest joking that she had the dates for the Met Gala mixed up.

Katy Perry stepped out at the iHeart Radio Awards last night, and we're here to talk about her outfit! Behold: A sheer fishnet dress held together with nothing but red velvet bows, which Katy ...

Katy Perry recently gave a powerful performance at Le Gala des Pièces Jaunes in Paris. For the star-studded event, the singer chose to flaunt a silver metallic mini dress from Jeanne Friot.