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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.
Preview - Kardashians - Kendall - Kourtney - 'to
In a new preview for Keeping Up With The Kardashians, Kendall unloaded on Kourtney for belittling her 'to make herself feel higher or cooler.'
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.
Tension - Kourtney - Kendall - Pair - Trip
The tension between Kourtney and Kendall apparently bubbled up when the pair took 'a skip trip' to Mammoth, California with the latter's pals.
One member of the holiday party was 21-year-old model Luka Sabbat, who was being linked to Kourtney at the time.
'I - Front - Friends - People - Expense
'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.
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 - Outside - Kourtney - 'Kendall - Vehicle
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...
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