That’s quite subjective, what about following the fashion sense of a certain celebrity/influencer? If I were you, I’d go for celebrity/influencer followers who are die-hard fans (probably start with instagram)
I can see this actually being super useful despite the comments (Reddit and aesthetic fashion don’t mix)
MVPs are just at a higher standard than 10 years ago where I can spin up a pretty good looking website in a matter of minutes but MVPs don't even have to be a web app - they can literally be you manually doing it and emailing them the results