According to E! News, the latest artwork is of "special significance" between the couple.
The shark is reference to one of Rihanna's dates with the 29-year-old, who took her to an aquarium in his hometown of Toronto and bought her a stuffed animal shark.
Celebrity tattoo artist Bang Bang added to Rihanna’s body art collection and took to Instagram to share a snap of the new ink.
Camo shark for my dear friend @badgalriri," he captioned the picture. "Also... I just found out you can zoom on IG- enjoy :)."
The stars have been very public about their romance the MTV Video Music Awards, where Drake revealed he had been in love with Rihanna since he was 22 years old.
A source previously told WHO that Drake is "very smitten" with the singer.
"They've been secretly dating for a while now and are very happy together," the source said. "Rihanna is the most beautiful girl Drake's ever been with, and he treats her like a princess."