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

Katy Perry has successfully appealed against a trademark decision over her name, against Australian fashion designer Katie ...

Singer Katy Perry has successfully appealed a trademark decision over her name, after being sued by an Australian designer ...

Luke Bryan shares the adorable nickname Katy Perry's 4-year-old daughter Daisy calls him. Bryan and Perry became good friends ...

Katy Perry attended Sabrina Carpenter’s Short n’ Sweet tour stop in Los Angeles, wearing a very fitting "short and sweet" ...

American Idol's Luke Bryan exclusively told E! News that he acts as "Uncle Luke" to Katy Perry and Orlando Bloom's 3-year-old ...

During the show, Carpenter “arrested” Marcello Hernández’s viral Saturday Night Live persona Domingo for being too hot.

Katy Perry and John Mayer, who dated on and off from 2013 to 2015, were spotted chatting at a Sabrina Carpenter concert in ...

But rather than taking her partner, Orlando Bloom, Katy took two rarely seen family members, sharing a photo of their family ...

In fact, her superstardom also earned Perry a victory in her length legal battle over her name’s trademark. According to Sydney Morning Herald, Katy Perry won her trademark appeal lawsuit against ...

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

Katy Perry wins trademark battle against Australian designer Katie Perry, who now faces the loss of her trademark rights ...