Kim Kardashian launched her latest innovation yesterday - special Kim-themed emojis called "Kimojis".
But within just hours of the app going live, Apple was inundated with fans trying to download the new app, nearly breaking the site.
Kardashian tweeted the news, apologising to Apple.
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According to TMZ, 9,000 people were downloading the app per second, causing the app store to start crashing.
The app offers users a variety of unique emojis, including voluptuous buttocks in a thong and a nude miniature of a pregnant Kim Kardashian.
The app costs $2.59 in New Zealand but has a rating of just 1.5 stars out of a possible 5.
The magical world of Oz, where you can expect the unexpected. Watch the new #WickedMovie trailer now. Video / Universal Pictures