If you haven't guessed already, these pictures of the skimpy one-piece will give you the answer.
She teamed her flesh-flashing outfit with other holiday essentials - oversized shades, a quilted clutch and a visor (only Rihanna could make this sports accessory look cool) and just to make sure her fans got the full effect of the wrap-around cut-outs, she posted front and back shots of her daring poolside look.
Her figure looks as fabulous as ever but we're not sure we'll be buying one of these for our summer holiday this year...
How do you rate RiRi's skimpy outfit? Let us know and take a look below to see all the images from her latest ad campaign for Armani.
Steal Rihanna's holiday style and shop swimwear below at MyDaily Store: