Katy Perry exemplified top 40's biggest and best at the dawn of a golden age of pop music.

Riding a decade of slowly building momentum, Lil Wayne took his turn in the mainsteram spotlight in 2008 with the year's ...

Pop star Katy Perry successfully overturned a trademark decision barring her from using her own name to sell merchandise in ...

Katy Perry has won her yearslong legal battle with an Australian designer. The verdict was delivered in an Australian court ...

International pop superstar Katy Perry has had a court win in her long-running trademark battle with an Australian fashion ...

Nov. 25 (UPI) -- Katy Perry is teasing new dates for The Lifetimes Tour. "Ok guys, what leg of the tour do you think we're ...

In this sidebar to our Greatest Pop Stars by Year article series, we look at the 10 greatest years in the history of modern ...

The former Destiny’s Child star, who went solo in 2003, pipped the best-selling pop star of the 21st century to the post: ...

Creative. Passionate. Iconic. These are just a few words that describe Katy Perry. When you hear her name you probably think of songs like “California Girls'' and “Teenage Dream.” ...

A self-described "singer-songwriter masquerading as a pop star," Katy Perry amassed an impressive string of hits with candy-coated pop confections and her candy-colored, ever-changing style.

Pop star Katy Perry won an appeal on Friday in a trademark case brought by Australian fashion designer Katie Taylor, who markets her clothing under the name Katie Perry, USA Today reported.