10/22/2015 05:24 EDT | Updated 10/22/2015 05:59 EDT

Kendall Jenner Got 'Pregnant' At Kim Kardashian's Birthday. And So Did Many Others.

And it was all for a very good reason.

Happy belated birthday, Kim Kardashian West!

Husband Kanye West surprised the expectant reality show star and model by having her friends and family dress up in their favourite "pregnant Kim" looks.

Half-sister Kendall Jenner was spotted jumping in on the act.

WHY R U SO PERFECT 👼™ @kendalljenner

A photo posted by jOYCEBONELLi™ (@joycebonelli) on

And so were sister Kourtney and mother Kris Jenner.

I wasn't expecting to look this way again quite yet, but Happy Pregnant Birthday @kimkardashian !! 🎥👼🏼🎂🎁

A photo posted by Kourtney Kardashian (@kourtneykardash) on

As Teen Vogue reported, the intention wasn't to mock how Kardashian looks while she's pregnant, but to make her feel comfortable among loved ones.

And it seems to have worked. Kardashian wrote on her Instagram, "I loved it and had the best time ever, feeling so very comfortable eating churros with a bunch of pregnant women!"

But they weren't the only ones to wish Kim a happy birthday. Her brother Robert Kardashian posted this image on his Instagram:

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