The 31-year-old singer was just given the title of world's highest-paid musician of 2015 by Forbes
magazine, beating out the likes of not only her fellow female pop stars, but also her male counterparts, such as Ed Sheeran and Dr. Dre. The magazine reports that Perry earned a whopping $135 million over the past year and credits most of her earnings to her Prismatic World Tour, estimating that she grossed more than $2 million per city. She also makes plenty of cash from her fashion endorsements
, such as her big contracts with Covergirl and Claire's.