Katy Perry and Taylor Swift’s long-speculated feud appeared to be over when the two pop stars reunited and shared a heartfelt ...

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

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 ...