Rihanna Rihanna Is Now Worth $1.4 billion, Making Her America’s Youngest Self-Made Billionaire Rihanna is now the youngest self-made billionaire woman in the US! According to reports, the 34-year old singer turned mogul has taken the #1 spot and is now the youngest female self-made billionaire in the U.S.–knocking Kim Kardashian, 41, down to …
