Beyoncé, Rihanna and Taylor Swift all appearing on the rundown.For a sixth year in a row, the list is topped by building supply distributor Diane Hendricks, with a $15billion (£12billion) net worth while the countdown also features women who work in insurance, jewellery, pharmaceuticals, entertainment and hospitality.Taylor Swift appears at number 34 in the countdown, with an estimated net worth of $740million (£594million). Last year, Swift became the first artist in Billboard history to simultaneously hold the top 10 spots of the Billboard Hot 100 while “unprecedented demand” for her ‘Eras’ stadium tour crashed Ticketmaster and caused an government-led investigation into the company.