The Tortured Tale of the Kylie Jenner Slapping Emoji continues on this week"s episode of Keeping Up With the Kardashians. We already got a peek at the drama in a promo teaser for the episode, which airs on Sunday, but the latest clip is where it all goes down.

In the first promo, Kourtney and Khloé Kardashian were not pleased about how closely Blac Chyna"s emoji resembles their baby sis Kylie Jenner, who was totally in shock over the whole thing. Here"s a pic of the emoji in question to refresh your memory (click play to see the slapping effect):

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This all lead to Kourtney calling Rob Kardashian, Blac Chyna"s baby daddy/fiancé, to confront him, which caused a blowout fight.

Kourtney gave Khloé a play-by-play, saying: "I went off on him yesterday. He"s like "I"m gonna go on the red carpet tonight and I"m gonna tell everybody how I have the worst, most unsupportive, disgusting family" – like ridiculous."

According to Kourtney, Rob denied the emoji was Kylie, saying "It"s not Kylie. When has ever slapped Kylie?"

You can watch the full clip here.

Kelsey StiegmanSenior Style EditorKelsey is"s fashion expert and resident Harry Potter nerd.

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