Katy Perry's Teenage Dream becomes her first album to hit 400 weeks on the Billboard 200—and it does so just after her new ...

Katy Perry wins a years-long trademark battle against an Australian designer, avoiding a big settlement and proving her brand ...

It's been a big week or so for the merry-making musos of Band Aid, prominent people named Perry and Australia's latest ...

In fact, her superstardom also earned Perry a victory in her length legal battle over her name’s trademark. According to ...

John Mayer and Katy Perry dated on and off between 2012 and 2015, during which they collaborated on the song "Who You Love." ...

Katy Perry and John Mayer recently had an unexpected run-in in Los Angeles. Perry, 40, and Mayer, 47, were spotted at Sabrina ...

Expect “Fireworks.” Katy Perry just announced the Canadian leg of her forthcoming ‘Lifetimes Tour,’ which is set to take ...

A string of legal action was first launched in June 2009 over a trademark held by Katie Jane Taylor, who uses her birth name to design and sell clothes under the brand Katie Perry.

Her work has previously appeared in The Daily Northwestern and Cycling Weekly. Katy Perry is debuting another glamorous red carpet look. The singer, 40, wore a full length creamy-white silk ...

Pop diva Katy Perry will headline the Krewe of Endymion’s enormous post-parade party on March 1 in the Superdome, according to a post Friday on Endymion's Facebook page. With a punchy vocal ...