She has been spotted in the arms of her boyfriend Chris Brown for the last couple of days as she celebrates her 25th birthday.
But Rihanna came up for air and spent part of her big day in the company of another man on Wednesday.
The Diamonds In The Sky star showed off her bikini body as she indulged in her favourite pastime of jet-skiing with pro surfer Makua Rothman.
Make-up
free and her hair drenched with water, she appeared as though she was
having a ball with the world champion Hawaiian big wave surfer, musician
and actor.