Taylor Swift is the only musician who's ever earned over a billion dollars for a concert tour. The "Fortnight" singer ...

After abysmal ticket sales, Perry, 40, turned to Swift, 35, and asked her for help since her Eras Tour was a record-breaking ...

Katy Perry is currently gearing up for Jeff Bezos' all-female rocket trip, being the first pop superstar to fly in space.The ...