katy perry

Katy Perry showed the world that she is, indeed, a "firework" as she lit up the University of Phoenix Stadium during the 49th Super Bowl halftime show in front of millions of viewers worldwide.

Could Katy Perry's rumored new track 'She's So Creepy' be about Taylor Swift?

Katy Perry just won the Internet -- 'Dark Horse' is the most-viewed YouTube music video of 2014!

Katy Perry just confirmed our biggest wish: She's officially performing at the 2015 Super Bowl Halftime Show!

Singers like Lady Gaga, Katy Perry and Miley Cyrus all put on amazing performances, complete with out-of-this-world outfits!

Ariana Grande, Beyonce, Iggy Azalea, Katy Perry and Lorde are all facing off for the coveted Best Female Video award at the 2014 MTV VMAs, but only one can walk away with the prize!

Having a rough morning? Take a cue from this adorable baby and banish that cranky attitude with a little help from Katy Perry's 'Dark Horse'.

Katy Perry graces the latest issue of Rolling Stone. Here are five things we learned from her interview.

Apparently divorcing her ex-husband Russell Brand wasn’t quite enough for Katy Perry. The pop star is looking to clear her marriage slate by seeking an annulment.

Katy Perry debuted the first advertisement for her latest perfume, Royal Revolution, on Instagram today (July 1).

The 'Birthday' singer just accomplished an incredible feat -- she just became the most certified digital artist in music history, meaning that she has received more gold and platinum certifications than any other digital artist. Work it, girl!

As a follow-up to her hilariously crazy music video ‘Birthday,’ Katy Perry is releasing “unseen footage” from the production featuring each of her five disorderly characters. Watch the behind-the-scenes video here!