katy perry

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.'

Pop and country are colliding not just on Taylor Swift albums, but at the taping of the 'CMT Crossroads' Katy Perry x Kacey Musgraves special. Get a sneak peek at some pics and some video from the performance.

Ever since Katy Perry announced she was teaming up with mall retailer Claire's for an accessories line, we've been waiting to get a look at the Perry-branded items, since her personal style is so unique and was bound to assert itself in these pieces. Well, photos of the earrings, neck…

Warning: You will want to nom all of the incredible-looking confections in Katy Perry's lyric video for her song 'Birthday.' Just letting you know in advance.

How's it going, PopCrushers? We're back with another amazing PopCrush Mini-Mix. As we mentioned, we'll be regularly sharing a special blend of the hottest tracks -- just for you! Check out who is featured in this week's mix.

Amazing x 20 x 10! That's the formula for this cover of Katy Perry's latest smash 'Dark Horse,' which is reimagined in 20 different styles in 10-second songs.

Ellie Goulding may have become a bonafide pop star with her mega hits 'Burn' and 'Lights,' but the 27-year-old British singer fangirls over her fellow stars just like the rest of us.