According to Forbes magazine, Rihanna, Taylor Swift, and Madonna are among the 15 richest female celebrities in the United States. At age 35, Rihanna has the highest net worth, with $1.4 billion to her name. She first achieved billionaire status in 2021 and made most of that fortune with her new makeup line, Fenty Beauty. 33-year-old Taylor Swift had the biggest increase of any of…