Back in 2015, when Katy Perry appeared on the cover of Forbes after earning $135 million in a single year, she knew she’d secured her place in the pop star firmament and wouldn’t ever have to worry about fading into oblivion. “I don’t feel like my career is a ticking time bomb,” she said. “I don’t feel like I’ll always have to be feeding the meter of show business. I got my spot, yo.” Three years later, Perry has proved herself right: She’s the highest-paid woman in music, pulling in $83 million pretax during our scoring period…………..