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Rihanna Posts Racy Photo Of Her Butt In A Snakeskin Bikini On Instagram (PHOTO)

08/08/2013 09:07 EDT

Suffice it to say that Rihanna's butt and Instagram are very well-acquainted.

The 25-year-old singer got a bit cheeky on the photo sharing app on Wednesday, sharing a particularly closeup shot of her, erm, assets, and captioning the snap, "Snakes X Skin #snakeskin."

Rocking her natural short curls (we LOVE the new 'do, by the way), Chris Brown's ex posted several racy pics of her lounging poolside in the sexy string bikini, including one with her younger brother, Rorrey Fenty. (Kind of awkward, no?)

Rihanna has been spending the week in her home country of Barbados, donning bejeweled bikinis for the Grand Kadooment Parade and wearing very little clothing in her downtime as well, evidently.

And it's not hard to guess which body part Rihanna considers to be her favourite. She's shared photos of her fabulous derrière clad in garters, a denim thong, and in a Marilyn Monroe-inspired peek-a-boo leotard.

We suspect we haven't seen the last of Rihanna's backside yet. You do you, RiRi!

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