Katy Perry

Hillary Clinton cracks that Millennial demo with a motivational playlist featuring Katy Perry, Ariana Grande and a few deep cuts.

The 2015 Billboard Music Awards took over Las Vegas on Sunday (May 17), and while there were many winners, it was Taylor Swift's night.

Taylor Swift recently sat down for an in-depth interview, where she discussed everything from her incredible relationship with her fans and why she won't talk about Katy Perry.

Super Bowl 49 will forever be known as one of the most unbelievable endings to a game. Also, for Left Shark.

Katy Perry is speaking out about her rumored feud with Taylor Swift.

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

Check out the Ice Bucket Challenge roundup to watch 30 celebs who took on the challenge for ALS awareness!

This kid was freaking out until Katy Perry saved the day.

Time for another old school versus new school pop music match-up! Today, two of pop music's biggest female stars face-off; MADONNA and KATY PERRY. This is a great warm up for our upcoming CLASH event at Thomposon's Point on August 16th.

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.

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

Ouch! After Katy Perry went on an Aussie TV show to say that she pulled away from Miley Cyrus when the singer tried to slip her the tongue in their kiss-seen-round-the-world because "God knows where that tongue has been," Miley has retaliated, rather meanly, on Twitter.

Katy Perry was on a morning news program in Australia promoting her Australian tour when she took over as weather girl.