Estimated net worth: $900 million*.Annual cost of protection: $4.8 million* In the age of Instagram, Kylie Jenner has established herself as the crown jewel of the Kardashian-Jenners. The reality TV star launched Kylie Beauty several years ago and it was a meteoric success. The value of Kylie Jenner is estimated at 900 million dollars, when she is only 23 years old.