Diane Hendricks & Katy Perry among US richest self-made women list

US women entrepreneurs are making waves like never before, reaching unprecedented heights with a record-setting rise in the combined fortunes of America's most affluent self-made women, topping $154 billion. From Katy Perry to Diane Hendricks, Taylor Swift to Elizabeth Uihlein, the US is seeing a surge in the number of women billionaires.