Some thought it was hilarious.

“Not on my way to find Kate LMFAOOOOO,” one person wrote.

“Why would you say that,” another mused.

Kim Kardashian in a strapless outfit at an event

A third fan called the caption “fucking incredible.”

While others called it “stupid” and “insensitive.”

“Nothing like a celebrity who allegedly hates rumors, spreading rumors,” one critic wrote.

Kate Middleton smiling, wearing a blazer with long wavy hair, at a public event

While a third wondered, “How low can you go, Kim?

Poking fun at a wife and mother who has [been] and is seriously ill?

In the meantime, share your thoughts on the joke below.

Kate Middleton wearing a fascinatior and matching coat, earrings visible, smiling at an event

Kim Kardashian taking a selfie in a car, wearing an off-the-shoulder outfit

Instagram comment by user 'shamilrosario_' saying "Not on my way to find Kate LMFAOOOOO" with 9,050 likes

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Social media comment questioning if Kim Kardashian is trolling Kate Middleton, shown with laughing emojis

Screenshot of a social media comment by user simoneharouche reacting to KIM with laughter

Image of a social media comment by a user named 'liz_montes' with the text "Stupid caption" and 714 likes

Social media comment critical of celebrity behavior, garnering numerous likes and replies

It's not like people from your fam have gone into hiding (rightfully so) during pregnancy or other medical reasons…this caption isn't it

Instagram comment: "Not you trolling Kimmie, Kate probably going through hell" with 1,095 likes

A screenshot of a social media comment reading "so out of touch" with 6 likes

Screenshot of a social media comment expressing concern for Kim Kardashian about an insensitive post, referencing a past robbery incident

The image shows a screenshot of a social media comment criticizing Kim Kardashian's behavior