
Rihanna just gave ex-boyfriend Chris Brown a little taste of what he's missing ... her perfectly sculpted ass.
RiRi just posted an extreme close-up shot of her nearly bare derriere in shorts that are so tiny, her THONG is hanging out of 'em.
Rihanna added a caption saying the pic was from the set of her new music video ... but we think it's pretty obvious the photo was for an audience of 1 -- Chris ... who was recently spotted out with his other sometimes-GF Karrueche Tran (who definitely doesn't have an ass like Ri).
Think he's regretting the breakup yet?

See also

Rihanna -- Shines Bright Like a Blonde!

Rihanna -- Thongin' Out in Risque Instagram Pic

Rihanna -- 25th Birthday with Chris Brown ... and TINY BIKINI
- Chris Brown Rihanna Breakups Hot Bodies Chris Brown & Rihanna Beauty Chris Brown & Karrueche Instagram Stars In Heat Celebrity Feuds
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