Rihanna paid $500,000 for one-hour gig

Rihanna is set to rake in a staggering $500,000 for an hour-long appearance at an exclusive charity gala in Florida.The Grammy-winning singer will perform at the Dana-Farber Cancer Institute fundraiser, held at Donald Trump’s glitzy Mar-a-Lago estate.According to the Palm Beach Post, the Barbadian diva is being paid half a million dollars to sing in front of 600 guests.The newspaper reported that