Katy Perry Named Highest-Paid Female Musician By Forbes

— -- Who is the top-earning woman in the music biz?

Here's a hint: It's not Taylor Swift.

It's actually the "Style" singer's purported rival, Katy Perry. Forbes magazine calculated that Perry has earned $135 million this year, thanks in large part to her Prismatic World Tour.

Swift ranked second, with $80 million.

Rounding out the top five were Fleetwood Mac ($59.5 million), whose members include Stevie Nicks and Christine McVie, Lady Gaga ($59 million) and Beyoncé ($54.5 million).