Where in the world is Kim Kardashian's butt?

The 34-year-old's infamous derriere was nowhere to be seen in a recent photo taken for Vogue Australia and we're seriously concerned. Either she's the latest victim of an awful Photoshop-gone-wrong, or Kimmy isn't packing the kind of back she used to. Sad face.

READ MORE: Kim Kardashian Admits She Wants a Flat Butt, Disses Khloe's Weight

Click here to see the photo!

"I love this shot from my @VogueAustralia shoot," she wrote on Instagram. "We did hardly any make up or hair, I love this simple natural shoot."

Are we supposed to pretend nothing is wrong with this photo? Sure, she looks beautiful and natural and blah, blah, blah … but what the hell is going on here?

Just a few short months ago, Kim was walking around looking like THIS:

kim kardashian butt

We've already lost Kylie Jenner's original lips, fingers crossed we don't lose Kim's butt.