The star, who sang four songs from her new album Loud!, took the nautical theme to the limit with retro-inspired rolls in her long red hair, navy high-waisted shorts, and royal blue and navy striped cropped top.
To add some sparkle, she blinged up the ensemble with chunky gold jewellery and a belt garnished with medallions.
What do you think of Rihanna's latest look? Is it full steam ahead for this sexy sailor? Or should she walk the plank? Let us know below.