Katy Perry made a stunning appearance at the iHeartRadio z100’s Jingle Ball in New York City last week, wearing a ...

Katy Perry is still feeling the excitement from an unforgettable experience—seeing her longtime friend Taylor Swift perform ...

In the long-running trade mark dispute between international popstar Katy Perry and Australian fashion designer Katie Taylor, the Full Federal Court has overturned the first instance decision of ...

Since Katy Perry’s Capitol Records debut in 2008 with ... Diamond singles – for “Firework,” “Dark Horse” and “Roar.” Since then, she’s added a few more to her collection with ...

Katy Perry: Night of a Lifetime airs tonight (December ... performances of Katy's chart-topping hits, including Firework, Roar, and I Kissed A Girl, as well as exclusive new tracks from her ...