What is the collective noun for fashion models?

There isn't a widely accepted and commonly used collective noun specifically for fashion models.

However, here are some options you could use, depending on the context:

Informal:

* A group of models

* A gaggle of models

* A bevy of models

* A troupe of models

More formal:

* A cast of models

* A lineup of models

* A roster of models

You can also use a team of models or a crew of models depending on the specific situation. Ultimately, the best choice will depend on the tone and style of your writing.