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 is giving ... of British Vogue's "In the Bag" series. The bag had everyday essentials like lip gloss, moisturiser and some multivitamins. One of Perry's more unconventional beauty ...