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.

American Idol' Season 23 features judge Carrie Underwood. Here's what a stylist said about Underwood's clothing choices ...

Rebecca, meanwhile, donned an equally short leopard print mini dress with a flared skirt. She wore black heeled knee-high boots, switching these for cream fluffy over-the-knee boots and a matching her ...