In scenes aired on Sunday episode of "Keeping Up With The Kardashians", it was revealed that the Kardashians found out Rob proposed to Blac by reading news articles online, reported Female First.
Khloe, 31, Kim, 35, and Kourtney, 37, were on holiday in Vail, Colorado when they found out the news that their brother had got down on one knee.
"He proposed in front of her whole family. I'm not going to cover for him anymore. What am I covering for him anymore for?" Khloe said in the episode.
But sibling Kourtney called them both out, telling them, "Maybe he thinks that you guys are judgmental because clearly you are... That's exactly why he didn't tell you."
Khloe then told the group: "Instead of sharing this with his family he keeps pushing us away.