Stories about: Katy Perry  

The war between the singers is amping up

Friends confirm she wants to be the next Katy Perry

It turns out that Katy is much friendlier with her staff, Taylor is “untouchable”

Both singers dated Mayer, but they don't see eye to eye on his character

The singer hits back with a “Mean Girls” reference and Swift slammed her in an interview

“It had to do with business,” she says of rivalry that inspired her on upcoming track

Video from Katy’s 2001 tour emerges, proves she was born to be a star

If there ever was a place to take some fashions risks, this was it

Music industry celebrates accomplishments in the previous year in explosive show

All of the singers have reportedly been asked to appear but only if they pay

The singer is eager to show off her bikini body to her fans on Instagram

The singer likes to shock her fans, but also to gross them out

The singer demands that she be given white, pink and purple flowers before each concert

The singer doesn't agree with the “famous for nothing” concept

Rumors have been floating around ever since her 2014 Grammys performance

The singer gets multi-colored in a snappy summer clip

This is the second Windows Phone handset appearing in one of Perry’s videos