Kris Jenner was left devastated last year when her younger sister Karen Houghton died after suffering a cardiac arrest and sudden cardiac arrhythmia.

Kris Jennerhas always been the rock of the Kardashian-Jenner empire, but even she isn't immune to heartbreak. In the latest episode of "The Kardashians," the momager got real about the loss of her younger sister,

Kris Jenner's sister Karen Houghton died at the age of 65 last year and the Kardashian matriarch has admitted she is still struggling to cope after the loss