katy perry

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!

Katy Perry has done it all — she’s released platinum albums, toured all over the world, debuted a big-screen movie and signature fragrance. Now, the pop star is taking on another side of the music biz with Metamorphosis Music, a joint venture record label with Capital Records.

In July, Katy Perry will have the honor of being Cosmopolitan's first global cover girl. Perry will grace the covers of Cosmo around the world, including Australia, Singapore, Vietnam, Germany, UK and more.

Perry is interviewed by talk show host and comedian Chelsea Handler for the magazine, a…

John Mayer was asked by TMZ on the idea that his ex Katy Perry will be writing songs about him. "You're supposed to write songs. You're just not supposed to tell everyone you're doing it."

We love the fierce determination at the root of Katy Perry's 2013 hit, 'Roar,' but the song tugged at our heartstrings in an entirely different way when covered by a five-year-old cancer patient.

This might be the sweetest video we have seen all week! 5-year-old Kai Langer, aka the most adorable little kid on the planet, stopped by the 'Ellen DeGeneres Show' to chat with the host and show off his rendition of Katy Perry's anthem, 'Roar.'