Katy Perry has hit back at her "unhinged" haters who have been criticizing her Lifetimes Tour just days after she was trolled for her space flight ...

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 ...

Katy Perry enjoyed an evening at Lady Gaga’s Mayhem Tour in Mexico City, praising the 14-time Grammy award winner on putting ...