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

According to Spotify, Swift's song "All Too Well (10 Minute Version) (Taylor's Version) (From The Vault)" was one of the ...

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.

'American Idol' judge Katy Perry hoped for sold-out venues with her new world tour. Unfortunately, she's reportedly 'disappointed' with low ticket sales in some cities. “It’s really exciting.

Katy Perry's upcoming tour is reportedly facing significant challenges, with sources suggesting that some dates may be ...

Baldoni vs. Lively is the latest in a long, claw-scarred history of celebrity battles. A former reality show producer (who ...

Last summer’s thwarted terrorist plot against Swift was mentioned as an example for why the United States shouldn’t alienate ...

And then, there’s the court case. Perry has been locked in a 15-year trademark dispute with Sydney-based fashion designer ...

Katy Perry was raked across the coals and branded ... reports that Katy had turned to her nemesis-turned-friend Taylor Swift for advice as she deals with anemic ticket sales for The Lifetimes ...

Katy Perry is taking a trip down memory lane to get fans hyped as she gears up to embark on her highly anticipated Lifetimes ...