Since Katy Perry’s Capitol Records debut in 2008 with One of the Boys, she has racked up a cumulative 65 billion streams alongside worldwide sales of over 57 million adjusted albums and 138 ...

Make it like your birthday every day: Katy Perry is dropping a new box set and two unreleased songs later this year. To commemorate the anniversaries of her first three albums — One of the Boys ...

“One of the Boys,” “PRISM,” “Witness” and “Smile” are the other four studio albums that are part of the deal. Billboard reported the deal was valued at $225 million , citing sources.

One of the Boys, Teenage Dream, and Prism are featured in the new box set ...

By most measures, Katy Perry's new album, "Teenage Dream," has been a resounding success. Yet "Teenage Dream" fell short in one key area: It didn't meet first-week sales projections in the industry.

Katy Perry struggles to ... is that a hickey or a bruise?” comes to mind — and her work on “One of the Boys ... rare glimpses of vitality in “143.” “Lifetimes,” one of the album ...