Katy Perry debuts her single "I'm His He's Mine" with Doechii inside the top 10 on the inaugural ... [+] edition of Billboard's Hot Dance/Pop Songs chart ... land on the list as well.

See which Super Bowl halftime performances made our top five list including the artist who changed halftime shows forever.

Katy Perry has unveiled her upcoming Lifetimes tour dates and setlist, teasing an alternating segment which fans can provide feedback for.

Katy Perry isn't fazed by her critics ... But the reality is, it comes from me,” Perry said the producer. “The truth is, I wrote these songs from my experience of my whole life going through ...