Katy Perry is an American singer, songwriter, and television judge. She is known for her influence on the pop sound and style of 2010. Katy shared pictures of herself on Instagram, which quickly went viral. She shared the pictures with the captions, “No, this is not my MET dress but you know I’m always keeping it *~eLeVaTeD~* on #americanidol☝🏻💃 PS