The reality show star, 34, threw herself into her mummy duties when she took toddler North to see the animals - and naturally couldn't resist sharing some snaps with her social media followers...
Animals + babies = seriously cute pictures!
Enjoying a day out with mum Kris and sister Khloe, Kim took to Twitter to post pictures of the day out, including one of North mesmerised by the seal enclosure.
North can be seen dressed in a coat from her daddy Kanye West's Yeezus tour.
Alongside the picture, Kim wrote: "When auntie Koko dresses Nori #Zoo."
Khloe, meanwhile, said: "My little boo bear having a zoo day!!! I had to put her in #Yeezus gear!! Lol she's too cute!!!"
Kim also told fans that her "little lady loves animals so much!!!!"
As well as getting close to the creatures, North - nicknamed Nori - also tucked into some special treats.
Posting a picture of the 17-month-old cutie eating a spoonful of whipped cream, Kim wrote: "1st hot chocolate! #AuntiesSpoilingHer."
The zoo visit came after a particularly eventful week for Keeping Up With The Kardashians star Kim.
Her bum became even more famous after being the cover star for Paper Magazine's winter 2014 issue.
Mum-of-one Kim is the subject of the mag's attempt to "break the internet".
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