Nicki Minaj
is showing fans her naked self ... literally! 

The rapper posted a series of revealing photos to her Instagram account on Wednesday.

Posing seductively and looking into the camera -- with no makeup and no clothes on -- Minaj showed some serious skin and flaunted her fresh face in the bathroom.

We're not sure what prompted the nude shoot, since she didn't post a single caption with any of the six shower shots ... but if the "Starships" singer is just trying to get attention, it's working.

What do you think about Nicki's revealing Instagram pics?

Tell toofab in the comment section below and click "Launch Gallery" above to see even more sexy stars!

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