Clara Brathwaite died in June, 2012. Her body was sent to Barbados for burial, and Rihanna wanted a party, complete with tents, multi-media large screens, huge exotic floral arrangements -- the whole kit and caboodle.
But parties/funerals come at a price ... and the company that threw grandma's final shindig claims the grand total was more than $150,000, and Rihanna paid only about a quarter of that and refused to pay more.
according to source PT Rihanna's rep tells us the singer paid the bill in full, and the allegation that there's an outstanding balance is "completely false."
more pics after the cut...