Mariah Carey knows quite a few Shawns, one of them being Mendes.

The singer accidentally texted the Canadian hitmaker on Thursday then revealed on social media what she had written.

Mendes is now aware of an inside joke about St. Patrick’s Day that she has with her cousin Shawn.

Mendes obviously didn’t mind receiving a text from Carey, responding: “hahahaha that’s okay I figured it was an inside joke ❤️❤️.”

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This isn’t the first time Carey has posted about Mendes, and vice versa.

Last year, she re-enacted a post the “In My Blood” singer had shared about being “grateful” and listening to old Mariah Carey songs.

He posted:

Carey then shared: