Kim Kardashian Westslammed a fan for insinuating they knew more about her older sisterKourtney Kardashian‘s desires than she does after their televised feud.

Kim slammed the fan, writing back, “Oh word, did Kourt tell you this? She sure wanna live that Kardashian life though, and BTW this photo shoot was our Christmas card.”

She added, “Family memories we were creating. Just tune in before you start acting like you know things.”

Another person tweeted their understanding of sibling dynamics, writing to the star, “@kourtneykardashcrying over@KimKardashiansaying she’s not even interesting to look at is brilliant. Siblings say dumb s––– to get a reaction, the receiving sibling cries, it’s over in a few days.”

The KKW Beauty founder tweeted, “Exactly!!!”

In an exclusive clip to PEOPLE from Sunday’s new episode ofKeeping Up with the Kardashians, Kim accused her sister of not being understanding of the family’s scheduling conflicts in order to take a family photo shoot.

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When Kourtney insists that she has no interest in participating anyway, Kim continued to bite back with, “Good, ’cause you’re so f—ing annoying.”

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“What’s natural to me is being a mother,” she continued. “And I don’t expect everyone to have the same interests.”

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Kim, overhearing the conversation, screamed at Kourtney through the phone.

“You would honestly think that we have more jobs, so [you should] work around our schedule,” Kim said. “You do whatever the f— you want to do and you don’t do s—, so be accommodating to the people that actually do s—.”

“You’re a very distraught, evil human being,” Kourtney replied. “I don’t want to see you, okay? I don’t agree with who you are as a human being.”

source: people.com