Kris Jenner and her daughters 'heartbroken' as they mourn beloved MJ

Kris Jenner and Kardashian family is said to be heartbroken following the death of MJ.

Insiders have revealed to People Magazine about how the family is coping following the death of Mary Jo "MJ" Campbell at the age of 91 on July 16.

The source stated, "MJ was such an important person for all the girls."

She reportedly "taught Kris and all the girls about being entrepreneurs and getting through hard times with humor."

"Kris feels MJ is the reason she and the girls learned so many invaluable lessons," the insider further shared.

Adding, "Not just about business, but about life. Kris always says MJ’s humor lives on in all the girls."

MJ's death has been difficult for Kim Kardashian, who "truly idolized her as a self-made woman."

"She talked with MJ very frequently, and she feels they had a really special bond," the source revealed, noting that she has been relying on her boyfriend Lewis Hamilton for support during this time.

On the other hand, Khloe Kardashian has also been "talking about how much MJ meant to all of them."

"She’s considering doing a podcast episode with Kris and her sisters about MJ’s impact and legacy, but that’s something for a little further down the road," the source shared.

Furthermore, Kendall Jenner and Kylie Jenner reportedly considered MJ as the "backbone of the family."