The 'Keeping Up with the Kardashians' star is said to be a huge fan of Middleton and is planning to walk down the aisle in a dress based on the Sarah Burton for Alexander McQueen gown worn by the Duchess for her nuptials in 2011, reported Contactmusic.
"Kim is absolutely obsessed with everything Kate and William do. She considers her own family 'American Royalty'. Kim loves Kate's style and while she is planning on several gowns for her big day, she wants the one for the ceremony to look something like Kate's dress. The brief is demure princess and she'll also wear a tiara," a source said.
"They think it'd be really cool to have gold thrones to sit on during the reception. They've already got a Buckingham Palace-themed room in their new home, which they're using as inspiration.