How exactly did Rihanna accomplish such an impressive and rare goal, and how does her brand stand out from others making it such a lucrative business model?

How exactly did Rihanna accomplish such an impressive and rare goal, and how does her brand stand out from others making it such a lucrative business model?
The success of a celebrity is measured by their popularity within their nation and in relation to the world at large. Another way a celebrity’s success is valued is by their net worth.