Katy Perry celebrated her milestone 40th birthday on October 25, and while she no doubt received tons of love from her fiancé ...

“Who Says” exes can’t be friends? Katy Perry and John Mayer were spotted catching up at Sabrina Carpenter’s concert in Los Angeles on Sunday — nearly a decade after calling it quit ...

Katy Perry has won her yearslong legal battle with an Australian designer. The verdict was delivered in an Australian court on Thursday, Nov. 21, the Sydney fashion designer by the same name ...

Hugh McIntyre covers music, with a focus on the global charts. Katy Perry’s new album 143 is headed for a fair start on charts in most countries, and it will begin appearing on tallies beginning ...

Katy Perry and John Mayer recently had an unexpected run-in in Los Angeles. Perry, 40, and Mayer, 47, were spotted at Sabrina Carpenter’s Short n’ Sweet Tour show at the Kia Forum in Los ...

Katy Perry exemplified top 40's biggest and best at the dawn of a golden age of pop music. By Andrew Unterberger (In 2018, the Billboard staff released a list project of its choices for the ...