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Wayback WednesdayKourtney Kardashian Finds Caitlyn Jenner in Another Man’s Bed in Throwback Snapchat Movie!

Remember Kylie Jenner's infamous mini Snapchat movies?

The 19-year-old reality star used her famous family members and friends as actors, and one of her best featured older sister Kourtney Kardashian catching her stepdad Caitlyn Jenner in another man's bed!

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"I'm going over there right now, I totally just lied to Kylie," Kourtney says in the throwback clip.

https://www.instagram.com/p/BNtLvjvl3Nd/

Wearing a black fur coat, Kourtney, 37, then sneaks out to meet up with Kylie's best friend Harry Hudson, and is shocked when she finds out she's not the only Kardashian member with a crush on the aspiring rapper.

MORE: Kim Kardashian, Kylie Jenner and More Stars' Sexiest Instagram Pics of 2016

"Hey Kourtney," Caitlyn says with a wink as she holds a wine glass in between the sheets.

We can't stop watching! For a look at what else you can expect from Kylie's Snapchat, check out the gallery below!