Kim Kardashian might have masters of sex hardcore videosjust posted the greatest Instagram caption of all time.

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True to form, Kim posted an important update on the status of her hair colour. It's now blonde FYI, in case you missed the memo.

But, alongside this pretty standard Kardashian Instagram are the words "I’d go blonde for that D...😂."

Hold the phone, Kimberly. Did you just say what we think you did?

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Is Kim K referring to catching some d***, or is this a sweet innocent coincidence? Let's investigate.

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Get your minds out of the gutter, everyone. Kim seems to be getting on board with a new Instagram challenge #ForThatDChallenge, which has seen the likes of Cardi B and Keke Palmer post Insta videos about "tha D."

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That didn't stop Khloe Kardashian having a little bit of fun with her sister. She commented "You’re sooooo obsessed with that D."

Gosh.