Katy Perry never misses when it comes ... of American Idol was a treat for her fans. The 'Roar' hitmaker posted two photos of her full outfit which consisted of a grey mini dress with a knitted ...

During the show, Perry performed a medley of her biggest hits, including “Roar,” “Firework ... beyond the hem of the shorts. But no Katy Perry outfit is complete without a few spicy ...

Some celebrities prefer to stay quiet about their political beliefs, but Katy Perry is not one of them. Whether campaigning hard for Hillary Clinton or donating thousands of dollars to women’s ...

Find yourself singing along to Katy Perry every so often ... make your way to the stage at 9.30. And get ready to Roar, sing Dark Horse, dance to Firework, and so much more.