kim kardashian grandma mary 80th birthday kris jenner Kim Kardashian celebrates Grandma Mary's birthday with throwback photoKim Kardashian’s grandmother, Mary Jo Shannon, is celebrating her 80th birthday Saturday (July 26) and to celebrate, the “Keeping Up With the Kardashians” star posted the above photo to Instagram.

Kardashian writes, “Happy
80th Birthday to my grandma MJ!!!! You have taught me so much about
life! You are my idol!!! I can’t wait to celebrate with you!”

It’s rather startling how much Kim’s mom Kris Jenner looks like her own mother. Older sister Kourtney Kardashian really favors them as well.

“Keeping Up With the Kardashians” airs Sunday nights at 9 p.m. ET/PT on E!