Rihanna Mourns Beloved Grandmother On Twitter
Ex-boyfriend Chris Brown & his mum Joyce also pay tribute...
RiRi then replied: "Thank you! Love u mama." Chris himself later expressed his own sadness via the tweet: "Praying for family and the lost loved one. She was like my grandmother. Love you GRAN GRAN! RIP"
In another tribute to her gran, the Farewell singer also tweeted: "Goodbye #grangranDOLLY get your beauty rest until I see you."