Kim & Kanye Name Newest Addition CHICAGO

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Kim Kardashian and Kanye West announced the name of their baby girl on Friday.

Kardashian posted their daughter's name on Twitter with a simple tweet that read, "Chicago West."

While the celebrity couple did not offer an explanation for the unique name, Kanye West grew up in the Windy City. Chicago joins the couple's daughter North, 4, and son Saint, 2.

Kanye and Kim welcomed Chicago via surrogate on Monday.