returned to Hulu for Season 4 of their reality show on Thursday, are synonymous with fancy planes and automobiles and designer everything. Kim Kardashian and Kylie Jenner are both self-made billionaires — although the “self-made” label is debatable to many — so they, as well as the still super-rich Kris and Kendall Jenner, and Kourtney and Khloe Kardashian, spend money like the wealthy businesswomen they are.