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Kim And Kourtney Kardashian's Vintage Halloween Vid Might Make You Cry

Plus, bb Kourt is North's doppelgänger.

Even though Halloween doesn't fall on a Thursday this year, Kim Kardashian West and her sis Kourtney have been turning the day into a throwback showcase, highlighting some of their cutest childhood costumes throughout the day.

And while most of the pics have been earning some smiles, the latest post is leaving us a little weepy, TBH. Because it appears to be a vintage video taken by the girls' late father Robert Kardashian, and it was obviously with lots of love for his then-toddler girls -- Kourtney just three and a half years old in the clip and Kim at two.

See? Pretty unexpectedly emotional stuff right there.

In other news, it appears that Kourt eventually passed down her Wonder Woman costume to her little sister because in another pic, Kourt's upgraded to a princess costume, while Kimmy takes on the W2 suit.

Then there was another year where she went as a clown and she seriously looked like North's looper TWIN.

Plus, there was that year the girls experimented with Halloween headgear and the results were almost too adorable.