Rihanna, 34, becomes America's youngest self-made female
Rihanna is now America's youngest self-made billionaire
Fenty's Fortune: Rihanna Is Now Officially A Billionaire
Rihanna 'worth $1.7b,' making her world's wealthiest female
How Much Rihanna Is Worth and How She Makes Her Money
Rihanna makes her debut on 'Forbes' annual billionaires list
Rihanna becomes youngest woman billionaire after hitting $1.4B net
Rihanna Now the World's Youngest Self-Made Billionaire, Says
How Much Rihanna Is Worth and How She Makes Her Money