Did Kim cross a line?
On Keeping Up with the Kardashians Season 18 Episode 1, Khloe grew frustrated when she learned that her sister was talking to her ex.
Khloe's decisionn to set some boundaries rubbed her sister the wrong way.
However, tension boiled over when they teamed up to confront Kourtney over her recent attitude.
Meanwhile, Kylie prepared to debut her Kylie Cosmetics collaboration with Balmain at Paris Fashion Week.
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Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.