In 18 seasons, this may be the fiercest fight the Kardashian-Jenner sisters have ever gotten into.
The supermodel then tells Kim that is not right and says she will 'come at you right now'.
'If I were on my death bed, I would still show up, ' Kim, who was in a black top and slacks, stated.
"But also, if I didn't want to work my a- off and I wanted to be a stay at home mom, that's f-- fine", she says before throwing the drink. "I was like, 'You guys can't be fighting with each other'".
In the confessional, Kim tries to explain her comments, admitting that, "I was just expressing that Kylie [Jenner] not going to Paris and how my mom's freaking out, crying and begging us - she's so used to me and Khloe showing up, especially Khloe".
'Like, we would've gone no matter how sick we are, that's just who we are'.
Kendall says she has been "been sick as f**k, ' and has had to endure 'major panic attacks" but that she has shown up.
Kim then looks at Kourtney and brushes her off by saying she just doesn't "care about stuff" which gets Kourtney - who is in jeans and a T-shirt and eating a nutrition bar - very upset.
'I feel like I'm really content, but I think if it was the right situation, I think it's something that I would want [to get married.] But, I don't feel like it's missing, ' she dished when asked what she thought of maybe one day tying the knot. "I will literally f-k you up if you mention it again", the Poosh founder goes off. Meanwhile, Kim is laughing, which sparks Kourtney to unleash her full wrath.
'But, honestly, change the narrative in your mind. "I work my f-king ass off". "It's such bulls-. We don't all have to do things the same way".
In other words, Kourtney Kardashian is done letting the public into her love life even though she is part of a reality TV show based on her and her family's personal lives.
"Keeping Up with the Kardashians" takes viewers beyond the headlines and into the stories that dominate the news cycle and E! is the only destination to get the real story. Be sure to head back here for weekly recaps!