08 January,2013 02:27 AM IST | | ANI
The 24-year-old singer, who doesn't seem to let things wash over her these days, argued with a fan on the social networking site, when the person suggested that she would die from a drug overdose like Whitney Houston, the Sun reported.
The âUmbrella' hitmaker's fan commented on a picture, which appeared to show cannabis that RiRi had posted online. "Yea cuz Whitney overdosed on a joint! F''' outta here u weak b''''!" the singer commented on Twitter.u00a0