Rihanna, Lady Gaga and Adele Make Forbes’ 2013 Top 30 Under 30 Earners List. Forbes’ recently unveiled “Top-Earning Celebrities Under 30” list, “Diamonds” singer Rihanna and “21” powerhouse Adele made the top 10. According to Forbes, Rihanna comes in at no.7 on the tally, raking in $43 million within the last year. “The Barbados-born singer continues to rake in the dough, playing […]