went wild on her latest vacation to Hawaii -- and has over 150 photos to prove it!

Last night, the sexy singer posted 169 personal photos from her trip in January on her official Facebook page, showing her in a number of bikinis, drinking, going topless, snorkeling and suntanning.

RiRi has always loved to show off her body and these photos are no exception, with her posing up a storm for the camera.

Beyonce did a similar move earlier this month, when she shared a bunch of personal photos on her Tumblr account showing her and husband Jay-Z on vacation.

Check out all the pics over at Rihanna's Facebook page -- we picked out our favorites above!

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