She features on the cover with fiance Kanye West, and was excited about the image, captured by famed photographer Annie Leibovitz for the magazine's April issue.
Kim, 33, shared an image of the cover on Instagram, which shows her wearing a strapless white wedding dress with Kanye standing behind her with his arms wrapped around her waist, reports femalefirst.co.uk.
She captioned it: "This is such a dream come true! Thank you @VogueMagazine for this cover! O M GGGGGG!!! I can't even breath! (sic)"
The duo will get married in Paris on May 24.
Kim's mother Kris Jenner also shared the image and tweeted: "Gorgeous!!!! @voguemagazine kimkardashian @kanyewest #amazing #stunning #soproudofyoutwo #AnnieLeibowitz (sic)"