The rapper asked the brunette beauty to be his wife in front of all her loved ones at AT&T Park in San Francisco on her 33rd birthday last October and is now planning the big day, which will take place in Paris this spring.
The 36-year-old star has reportedly given his assistants a 600-strong list, which includes friends like Jay Z, Beyonce and Jamie Foxx, in addition to the likes of Oprah Winfrey, the Obamas, Lupita Nyong'o, Prince, Winnie Mandela, Karl Lagerfeld and European and Middle-Eastern royalty.
An insider told heat magazine: "The wedding is during the last weekend of Cannes Film Festival. But there's no limit to Kanye's ego - he's expecting everyone to skip Cannes. When his assistants try to explain that some people aren't going to show, he won't listen. He's going to be quite shocked when the day comes and half the names aren't there."
Kim has been the voice of reason and wants to more intimate ceremony.
A source added: "Kim has told him to be realistic. She thinks it's odd to have strangers there. She wants it intimate - just family and close friends. She's invited Nicole Richie, Ciara, Blac Chyna, Tyga and Lindsay Lohan."