Kylie Jenner‘s butt is officially OOC.

The 19-year-old took to Instagram to bless her followers with a new butt selfie, and fans couldn’t help but notice her leather pants practically busting at the seams!

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Kylizzle simply captioned the photo with a skull emoji.

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💀

A post shared by Kylie (@kyliejenner) on

The 19-year-old’s cleavage usually steals the show, but her booty won this time around.

Click through the slideshow to see Kylie’s butt transformation!