Sir Paul McCartney and Nancy Shevell kiss in the audience at the 54th Annual GRAMMY Awards held at Staples Center on February 12, 2012 in Los Angeles, California. Getty Britain has 18 female billionaires and dozens of female multi-millionaires.

However, according to the Sunday Times' Rich List published in 2015, most of the wealthiest women in the UK owe their their spectacular fortunes to marriage or divorce.

Others inherited their vast wealth.

And some women built their own wealth before they got married, but married someone else even more wealthy than that, such as actress Salma Hayek, who is based in London.

Business Insider decided to take a quick look to see who made the top spots.