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

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

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

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 ...

E! News catches up with Luke Bryan at the 58th Annual Country Music Association Awards in Nashville, and the country ...

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

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 ...

1 of 5 | Katy Perry attends the Baby2Baby annual gala at the Pacific Design Center on November 9. She announced the U.K. leg ...

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

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