The girl turns 18 and all of a sudden she's a porn star!

Kylie Jenner showed off her ASSets in this sexy photo shoot released Monday. And just why did she do this shoot? To generate publicity, why else?! Her own photographer shot it, she probably styled it herself -- choosing the bondage theme on her own -- and he's distributing it on her pay-per-view app. Genius!

The teen star wrote on her blog, "I didn't believe 2015 could be topped, but when I think about what I have coming this year, I get SO excited." Apparently what you have coming is a good dose of kiddie porn! Did Kris Jenner approve this? We just ... can't ... even ...