Kim’s notorious attention-seeking behavior has been annoying Kourtney for years, which she has openly expressed.

As the pendulum of the spotlight swings from one sister to another, their disagreements seem to intensify.

Could Kim, in turn, be grappling with feelings of being overshadowed?

Sisters Kourtney and Kim Kardashian

reality show, “Keeping Up With The Kardashians.”

This particular feud revolved around Kim’s video game, “Kim Kardashian: Hollywood.”

“I bought her a f***ing career,” Kim asserted.

Kim, Kourtney video game fight

Kim erupted, exclaiming that nobody wanted Kourtney present at the shoot anyway.

So don’t even act like you know what I’m talking about."

Despite Kim trying to laugh it all off, Kourtney erupted and threw a water bottle at her.

Kim and Kourtney Kardashian yelling

I swear to God, I will punch you in the face."

After more shoving around, Kourtney delivered the first blow to Kim’s arm.

Khloe attempted to intervene, but the conflict persisted, with Kim slapping Kourtney across the face.

Kim, Kourtney fight over wedding

They then finally separated and went into different parts of the house.

In a solo confessional, a bewildered Kimexpressedconfusion about Kourtney’s behavior.

Unsurprisingly, the argument continued when they came back to the same room.

Kim and Kourtney Kardashian together

“It’s ingrained in her core,” Kourtney said of Kim’s greed.

The intense phone call argument

The episode then shifted to a phone argument between the two.

Initially, the conversation remained civil as they discussed how they handled the entire wedding situation.

According to Kourtney, Kim was not genuinely happy for her at the wedding.

“You cannot stand someone else being the center of attention,” she added.

Before hanging up, Kourtney told Kim, “I f***ing hate you.”