Miley Cyrus is straddling the line between stunning and obscene in just-released promo photos for her upcoming album.

RCA unveiled a collection of stylish pics for "Bangerz" today -- showing the singer in various states of undress and, in one photo, grabbing onto her crotch like she did during her now infamous VMA performance. 

And while some of the pics have some questionable taste, Miley also looks very pretty in a lot of them too.

"Bangerz" is due out later this year and will feature collaborations with Pharrell, Future and will.i.am.

RCA says the album "marks a creative evolution for Miley."

It's clear her personal style has evolved as well. Check out the gallery above to see all of the promo pics -- plus, see how she's changed through the years!

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