According to E! News the rapper hired out the AT&T Park stadium in San Francisco to make his proposal extra special.
An eyewitness reported that a 50-piece orchestra played Lana Del Rey's song Young and Beautiful followed by Kanye's own love song to Kim Knock You Down.
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The stadium screen then flashed the sign, "PLEEEASE MARRY MEEE!!!" at which point Kanye got down on one knee to present the mother of his daughter Nori with a 15-carat diamond ring by celebrity jeweller Lorraine Schwartz.
The romantic gesture was accompanied by fireworks and this being the Kardashians, who are famously close, her family and friends were also present.
To find out more about the couple's romance, which has been ten years in the making, click on the photo.