If you've ever heard a Rihanna single, you know that she doesn't hold back. Her explicit lyrics match her R-rated sex appeal. But she doesn't keep her sexiness contained to her songs; the Barbadian beauty's self-portraits leave almost nothing to the imagination. So, in celebration of the release of her newest (and arguably her best) album, Unapologetic, we've decided to share the 30 sexiest Instagram photos that @badgalriri has to offer. Enjoy.

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