katy perry

Katy Perry is being sued by Christian rappers over her smash hit 'Dark Horse,' based on claims that she ripped off her song from their Christian gospel tune 'Joyful Noise.'

The redheaded royal made headlines this morning (July 1) for a heartwarming video that shows him dancing to Katy Perry's 'Firework' alongside children with disabilities in Chile. Watch the sweet video here.

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.

Ever wonder what goes on inside of a patrol car? Apparently, a lot of jamming to pop stars like Katy Perry!

Ever wanted to hear Ellen DeGeneres cover Katy Perry's 'Birthday'? Well, you're (sort of) in luck, as we have the closest thing that we're going to get to a genuine remake.

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, and Perry opens up about her exes, dating and her sex life.

As if Katy Perry's sultry V magazine spread with Madonna wasn't enough, she just had to go ahead and pose for a shot with yet another pop icon: Adele! Be still our hearts.

Katy Perry joined the festivities at the 2014 Billboard Music Awards all the way from the Newcastle Metro Radio Arena in England, where she put on a neon-packed performance of her latest single, ‘Birthday.’

Last night (May 7) Katy Perry launched the ‘Prismatic World Tour’ in Belfast, Ireland, in an incredible display of colorful costumes, complicated choreography, and seriously impressive stage setups.

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.

After signing with Katy Perry's management team, it looks like Selena Gomez has been taken under the 'Birthday' singer's wing. If the sources at HollywoodLife are to be believed, Perry has reached out to Gomez to offer her advice about Justin Bieber and her career.

It's a Ri-union of sorts!

Has Katy Perry moved on to another man already?

Katy Perry has finally and officially confirmed what the world knows and is painfully obvious -- that she and BF John Mayer have split.

Katy Perry pranks a five-year-old's entire birthday party for her new video called 'Birthday' complete with car wreck and scary clown costume!

Think you know Katy Perry better than Katy Perry herself? Well, a Katy Perry-o-phile named Emily thought she did and competed against the singer on a hilarious faux game show skit on 'Jimmy Kimmel Live!' last night (April 21).

Move over, Robert Pattinson, Riff Raff and John Mayer, the rumored hookups and official ex of Katy Perry. The singer and supreme catch may be dating DJ Diplo.

Fans, next time you see Katy Perry, you might want to think twice about taking out your cellphone and trying to grab a selfie with the pop superstar.