WhenKhloé Kardashianlearned aboutTristan Thompson’s cheating scandaljust days before she gave birth, it was her youngest sister that informed her of the shocking news.

Although Khloé and her four sisters —Kourtney Kardashian, Kim Kardashian,Kendall JennerandKylie Jenner— spend a large majority of their time together, the siblings weren’t together when news of Thompson’s infidelity broke. (Khloé was in Cleveland, while the rest of the sisters were in Los Angeles.)

“I didn’t want to hurt her feelings, but I felt like she should hear from one of us versus on the internet,” she adds.

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USA - 2015 NBCUniversal Cable Entertainment Upfront in New York

Meanwhile, Kim, 38, was filming interviews on theKUWTKset when she spotted the news.

“There’s video of Tristan making out with a girl last night,” she says. “Khloé’s going to die. She’s literally going to go into labor over this.”

Oldest sister Kourtney, 39, was at home when the blast was delivered to her phone.

“I mean, I can’t even imagine being in Khloé’s shoes,” she says. “Just how like reckless it all seems. This is really shocking and obviously heartbreaking. The whole thing makes me disgusted.”

Although Kourtney, Kylie and Kim weren’t with any family members when they were informed about the scandal, Kendall andScott Disickwere driving in the car together when Kim sent her model sister the article.

Tristan Thompson/Instagram

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“The woman who filmed the clip said, ‘I was there and he was on the table right next to us with a group of friends and everybody watched them make out several times,’ ” Kendall reads aloud.

“I’m in shock right now. I don’t even know what to say,” Kendall continues. “Like, what a f—ing idiot. It’s a sick joke.”

Keeping Up with the Kardashiansairs Sundays (9 p.m. ET) on E!

source: people.com