In a new clip from Sunday's brand new Keeping Up With the Kardashians
, the 37-year-old reality star shows some remorse after a big fight with Rob. In a previous sneak peek, Kourtney says she confronted Rob after she was disturbed by Blac Chyna's Chymoji of a girl getting slapped
that looks similar to Kylie Jenner (who is dating Tyga, the father of Chyna's first child). Rob, who is engaged to the pregnant 28-year-old model, apparently took the comments badly, threatening to slam his "disgusting family"