She explained she had arrived early and was "waiting for the Kardashians to arrive en masse and Jay-Z ...".
"So eventually they did turn up and The Life Of Pablo concert started and the migrant chic fashion show started and they were both wonderful," she said.
People were quick to express their outrage on social media, with one user commenting: "Anna Wintour called Yeezy season 3 Migrant Chic. Even though Chic is a good thing, the word Migrant can be taken any other ways."
Another commented: "Apparently migrant chic is becoming a thing in the fashion world. Do we really need to spell out how insensitive that is?".