Here's another pair of sisters who can't be separated by their wealth, so we'll induct them into our list together, too! The glamorous Tamara and Petra Ecclestone have a combined wealth of just short of $3bn, meaning they're both billionaires in their own right. They're the daughters of British businessman Bernie Ecclestone. Sports fans are likely to be familiar with his work - he founded the Formula 1 brand of motorsport, which generates billions of dollars of revenue across the world every year.
Unlike some on this list, the Ecclestone sisters seem happy to sit back on their wealth, knowing that they don't need to work and therefore choosing not to. They're socialites, flying across the world first class and essentially treating life as one long luxury holiday. That's what most of us would be doing if we had the chance, so we shouldn't judge them for it!