Taylor Swift and Katy Perry famously feuded for years. Swift said their friendship was a little rocky even before this.

Katy Perry is reportedly 'disappointed' in ticket sales for her new tour after leaving 'American Idol.' Here's what an ...

Dolly Parton and Taylor Swift recorded some of their hit songs in a recording studio housed in a modern rustic-style rental ...

Katy Perry's upcoming tour is reportedly facing significant challenges ... would be a massive wave with ticket sales exploding quickly, but sadly, she is not Taylor Swift." The insider continued, ...

Taylor Swift's ex-boyfriends have been making headlines as of late ... before mentioning Swift's feud with Katy Perry. "I know you're off tour and you need someone new to try and bury like Katy ETC ...

Katy Perry is reported to be disappointed after some low ticket sales in her 83-concert worldwide tour inspired by Taylor ...

Katy Perry's Lifetimes won't be put on the back burner any time soon. While rumors indicated that her team was worried, that is far from the case.

Katy Perry's ticket sales for her upcoming Lifetimes world tour have drawn stark contrasts with fellow pop star Taylor Swift as wild theories claim she runs the risk of possibly canceling some dates.

Despite being on a bit of a hiatus, however, Swift has still been consistently making waves on the music charts. On Tuesday, ...