Rihanna Shows Off Major Booty in Super Revealing Black Swimsuit -- See the Pics!

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Leave it to Rihanna to absolutely slay her swimwear!

The "Work" singer rocked a revealing lace-up black one-piece swimsuit in a recent impromptu photo shoot with a friend, and showed off a lot of derrière.

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The 28-year-old artist really seemed to be feeling the look, as she posed for several sultry photos on what appeared to be a pretty eventful wine night!

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The plunging neckline of the apparel also allowed RiRi to showcase some of the tattoo work she's had done on her bottom-middle cleavage area.

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Looks like Rihanna's all ready for the summer!

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Meanwhile, the singer has been doing more experimenting with revealing styles as of late.

Watch the video below to see the see-through green dress she donned in NYC.

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