From braless to topless.

Rihanna bares all in the latest issue of LUI magazine, putting her breasts (and nipple rings!) on full display as she sunbathes in a pair of pink bikini bottoms while looking sexy as ever.

Wearing nothing but a bucket hat, a gold belly chain, and itty-bitty bottoms, a tanned and toned RiRi sizzles on the cover, as she joins the likes of Kate Moss, who appeared nude on the same mag in March.

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