Kim Kardashian and Kylie Jenner Swap Faces on Snapchat, Look Eerily Similar

Keeping Up With the Almost Definite Twins.

We're having a freaky Friday.

Kylie Jenner posted a Snapchat with sister Kim Kardashian West, using the social app's popular new face swap feature, but it didn't exactly work out how it has for the rest of us....

WATCH: Kim Kardashian Looks Identical to Kylie and Kendall Jenner in Shocking Split Pics

Wait, did they switch already?

At passing glance, you probably wouldn't realize they had even swapped faces. Although, Kylie hilariously called herself out while commenting on the difference, at one point telling Kim, "You don't look good. But that's my face.!

PHOTOS: She Gets It From Her Mama: Celebrity Mother/Daughter Doppelgangers

Of course, this is not the first time the sisters have looked eerily similar.

Last August, Kim posted a split pic with her 18-year-old sibling that, save for some skin-tone difference, actually matched up really well!

WATCH: Kim Kardashian Lectures Kylie Jenner About Being 'Professional' at Kanye's Fashion Show

And yes, we know, they are related. But it's still pretty crazy that for half-sisters, time and again they seem to be 100% twins.

Watch Kim and Kanye West's adorable first date below.