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!
Kylizzle simply captioned the photo with a skull emoji.
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!