Katy Perry’s hit Dark Horse is under scrutiny for ripping off a Christian song by Flame. He is suing her and her record label for copyright infringement.
Kacey Musgraves and Katy Perry got together to put together a night of duet performances. Check out the best pics from their event.
The flexible, healthy 5-Factor Diet and the stars that swear by it.
Katy Perry and Kacey Musgraves have not only teamed up for a tour, they’ve teamed up for a concert special on CMT. Watch their “Roar” duet here.
Katy Perry gave an insane performance tonight at the Billboard Music Awards, bringing a fan on stage and then flying over the audience on a swing.
Katy Perry’s released the set list, including her encore performance for her world tour. Check out the songs you’ll hear from Perry and the themes you’ll see.
EDM star DJ Diplo is reportedly dating Katy Perry. Read on for the details on their rumored relationship, Diplo’s long rap sheet, and Diplo’s music.
Day two of Coachella 2014 was even better than day one. Check out all the photos of Beyonce, Steven Tyler, Paris Hilton, the Jenner girls, Katy Perry, & Lorde.
Celebrating the most memorable guest-star appearances over the nine seasons of How I Met Your Mother.
Katy Perry has reportedly broken things off with boyfriend John Mayer. Have a look back at the couple’s good times in their best photos together.
John Mayer and super star girlfriend Katy Perry have reportedly broken up. Read on for the facts on the unfortunate news.