Katy Perry is singing the praises of fellow pop superstar Lady Gaga after catching her brand new tour. The "Firework" singer ...

Katy Perry wore a spacesuit costume while performing days after her Blue Origin space flight. It immediately backfired on her ...

Pop culture has seen its fair share of celebrities, but none have made a dent like Katheryn Elizabeth Hudson, popularly known ...

Katy Perry was spotted in the crowd watching Lady Gaga in Mexico City after her own tour was hit with disaster as she was ...

Katy Perry took a break from her own tour to show some love for Lady Gaga during a packed concert in Mexico City over the ...

Since her return from a brief sojourn to outer space, Katy Perry has been brought — rather forcefully — down to earth. The ...

Her post-trip conference was deemed tone-deaf and vapid by many, and other celebrities such as Emily Ratajkowski, Lily Allen ...

The “E.T.” songstress came under fire when she went to space for around 11 minutes on the all-women Blue Origin flight.

Katy Perry supported Lady Gaga at her Mexico City concert on Sunday, April 27, days after Perry launched her Lifetimes Tour.

Katy Perry has gushed about fellow pop star Lady Gaga. In addition to her kind words, the Last Friday Night singer shared a ...

The pop star Katy Perry is firing back at her Blue Origin space flight haters. She attempted to shut them down during a ...

Katy Perry loves sharing her woman's world with Lady Gaga. In the crowd at Mother Monster's ¡Viva La Mayhem! concert in ...