katy perry

Broadway stars will honor the works of Lady Gaga and Katy Perry with a performance series this summer.

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.

We compiled a list of 50 celebrities who go by a name different from what they were given at birth.

Katy Perry perhaps took a page from her frenemy Taylor Swift's book and attempted to trademark the iconic Left Shark from her 2015 Super Bowl performance -- only she was denied.

For better or for worse, these ensembles are permanently etched into the MTV Movie Awards' canon.

Watch this promo video of stars like Katy Perry and Britney Spears singing at recently shuttered karaoke bar Dimples.

Whoops! Katy Perry accidentally gave millions of fans her phone number.

After a powerful message from both President Barack Obama and a domestic abuse survivor, Katy Perry delivered an emotional performance of 'By the Grace of God' at the 2015 Grammy Awards.

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!