Kendall Jenner complains about sister Kourtney 'trying to be cool' in front of her friends in KUWTK sneak peek
She famously feuded with her younger sister Kim Kardashian on the previous season of their show.
And on the current season, Kourtney Kardashian, 40, provoked the fury of her 23-year-old supermodel half-sister Kendall Jenner.
In a new preview for Keeping Up With The Kardashians, Kendall unloaded on Kourtney for belittling her 'to make herself feel higher or cooler.'
Uh-oh: In a new preview for Keeping Up With The Kardashians, Kendall Jenner unloaded her frustrations with her elder half-sister Kourtney Kardashian
Kendall sat down and confided in 34-year-old Khloe Kardashian, whose own love life with allegedly unfaithful Tristan Thompson caused a lot of drama this season.
The tension between Kourtney and Kendall apparently bubbled up when the pair took 'a skip trip' to Mammoth, California with the latter's pals.
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One member of the holiday party was 21-year-old model Luka Sabbat, who was being linked to Kourtney at the time.
'I just felt like she was trying to be cool in front of my friends, and like younger people that are cool, at my expense,' Kendall told Khloe.
There for each other: Kendall sat down and confided in 34-year-old Khloe Kardashian, whose own love life with allegedly unfaithful Tristan Thompson caused a lot of drama this season
Throwback snap: The tension between Kourtney and Kendall apparently bubbled up when the pair took 'a skip trip' to Mammoth, California with the latter's pals
The group were in Kendall's car in Mammoth at one point, and Kourtney, sitting in the center backseat, rested her feet on the center console.
Kendall asked her not to do so, especially since it was 'rainy and muddy outside,' and Kourtney snapped: 'Kendall, it's a f***ing vehicle!'
When Kendall insisted on her point, Kourtney spread her legs and placed her feet against the headrests of the front seats - or as Kendall called them, 'headboards.'
Later, when they were about to begin skiing, Kendall realized she had no zip pockets and asked Kourtney to keep track of her car key.
Not having it: 'I just felt like she was trying to be cool in front of my friends, and like younger people that are cool, at my expense,' Kendall told Khloe
'Rude': The group were in Kendall's car in Mammoth at one point, and Kourtney, sitting in the center backseat, rested her feet on the center console
'Are you sure you have a zip pocket? I don't want it to fall out, or like lose it, or get, like, damage it or whatever,' Kendall said to Kourtney.
Kourtney replied: 'Kendall, chill the f*** out! It's a key!' despite the fact that the loss of this key would have left them stranded in the snow.
Kendall's friends laughed at Kourtney's remark, apparently in support, but as Khloe pointed out later: 'But they probably think that's your banter.'
Defiant: When Kendall objected, Kourtney spread her legs and placed her feet against the headrests of the front seats - or as Kendall called them, 'headboards'
'I'm so annoyed with Kourtney': Khloe said in a confessional: 'She's supposed to be the older sister, but it just seems like Kourtney was bullying Kendall the entire time'
'Right, I'm not blaming my friends at all. They're not doing it because they, like, are trying to be mean,' Kendall told Khloe.
Kourtney on the other hand 'was like putting me down to make herself feel higher or cooler,' and Kendall said: 'I still haven't even addressed it.'
Khloe said in a confessional: 'I'm so annoyed with Kourtney. She's supposed to be the older sister, but it just seems like Kourtney was bullying Kendall the entire time.'
On the previous season of the show, Kim and Kourtney carried on a bitter spat that included the former calling the latter 'the least exciting to look at' in the family.
Bystanders: Kendall's friends laughed at Kourtney's behavior, apparently in support, but as Khloe pointed out: 'But they probably think that's your banter'
