Watch: Kim and Kourtney Kardashian get physical in new 'KUWTK' trailer
Buttons have been pushed! Kim and Kourtney's relationship has reached a new low.
Tensions between Kim Kardashian and her big sister Kourtney have reached fever pitch.
The siblings duke it out in a new teaser trailer for the upcoming season of 'Keeping Up With The Kardashians'.
Kourtney can be seen throwing a water bottle at Kim, who responds by throwing a punch.
"Don't ever come at me like that," Kim can be heard saying in the clip.
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Their little sister Kendall Jenner summed up the family drama in one sentence.
"Buttons have been pushed," she says.
Drama has been brewing between Kim and Kourtney for a while now, with the former complaining that the latter was not pulling her weight on the show or when it came to family affairs, like showing up for a Christmas card photoshoot.
Kourtney complained that Khloe and Kim were always ganging up on her.
"I don't even want to be around my sisters," she said on the show.
Kourtney and Kim have also hurled shocking insults at each other in the past.
Kim labelled Kourtney a "fake humanitarian ho" and the "least interesting to look at”.
Kourtney has been equally brutal. She called Kim an "evil distraught" human being.
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The fight between the sisters is reminiscent of the time Kim took several swings at Khloe with her designer bag.
The 2008 purse brawl happened seconds after Khloe, who was in the middle of gossiping about Kim, tried to close a door in her face.
"Don't be f**king rude," Kim tells Khloe.
Kourtney announced in November last year that she was taking a break from shooting on the family's popular reality show.
“I just decided to spend more time as a mom and put more of my energy there,” she told Entertainment Tonight at the time.
But it looks like the mom-of-three's break was short lived because she shared a clip of herself on Instagram that was taken during one of her recent "confessionals" for the show.
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It is becoming harder to keep up with the Kardashians' drama these days.