People News Rihanna mourns cousins's death, calls for end to gun violence 12/27/2017 Rihanna mourned the death of her cousin on Instagram Tuesday, just one day after the family members spent Christmas together. Read More RELATED NEWS Jimmy Fallon's 'The Tonight Show' dropping to only four nights a weekAshley Tisdale announces birth of her second childSelena Gomez is a billionaire TAGS: Rihanna