AceShowbiz - Kim Kardashian is extremely upset that Tristan Thompson cheated on her sister Khloe Kardashian and she has been trying to persuade Khloe to dump him. The mother of three reportedly thinks the family brand is more important than the togetherness of Khloe's little family, and she makes her younger sister choose between the family and Tristan.

A source tells Radar Online, just hours after Khloe gave birth to her first child with Tristan, "Kim has taken a tough love stance with Khloe, warning her that her choice is Tristan - or her own family." The source adds, "Kim made it clear to Khloe that she if lets Tristan back in her life, she's on her own!"

According to the so-called insider, "Kim is disgusted that Khloe is even thinking about taking this man back. She doesn't want to kick a sister when she's down but she's telling the family a certain toughness in necessary as it affects them all."

The source goes on sharing, "This is bad for the brand and Kim doesn't appreciate how Tristan is dragging the Kardashian name through the mud."

Kim was reportedly in the delivery room when Khloe gave birth to her baby girl, True Thompson, on Thursday, April 12 in a Cleveland hospital. She returned to Los Angeles later on the same day, but has been heading back to Cleveland to visit her sister again. On Monday, April 16, the KKW Beauty founder as well as her sisters Kourtney Kardashian and Kendall Jenner were spotted arriving in The Land on a private jet.

Kourtney and her younger boyfriend Younes Bendjima previously had fun at Coachella over the weekend, joined by sister Kylie Jenner and her baby daddy Travis Scott (II). Meanwhile, mom Kris Jenner has reportedly stayed by Khloe's side.