The feud between Kourtney, Kim, and Khloé Kardashian is seemingly not ending anytime soon! As Perezcious readers know, the new season of The Kardashians premiered last week, and it is already full of drama between the three sisters. Kim and Khloé are taking shots at Kourtney, and the Lemme founder is throwing shade right back. It's a mess, and it's only getting worse because Kourt isn't happy with her sisters' comments on the show! A source told Entertainment Tonight on Friday: "Kourtney's been a little upset with Kim and Khloe since the new season of 'The Kardashians' started airing.