Semi-Exclusive… 51019012 Happy 25th Birthday Rihanna!!! Rihanna is seen smoking not one but two marijuana blunts with Chris Brown while hanging out on a beach in Hawaii on February 20, 2013. The on again off again couple were holding hands as they walked back to their hotel room. Rumors have it that Chris will soon be proposing to Rihanna. Could it happen on this vacation?….maybe at her birthday dinner tonight? FameFlynet, Inc – Beverly Hills, CA, USA – +1 (818) 307-4813