Rihanna's New Tat to Honor Her Grandma is in an Interesting Place

Rihanna tweeted this photo with the message “Goddess Isis- Complete Woman – Model for future generations- #GRANGRANDOLLY – always in and on my heart #1lo.”shortly after performance at the 2012 Paralympics Closing Ceremonies in London with Coldplay and Jay-Z.

Let's start a pool: Since she 's 24 year older star who love tattoos, how old will Rihanna be when her body is completely covered with ink?