Swear, self-promote and pretend you’re on a first date: a celebrities’ guide to Letterboxd’s Four Favourites

From Kristen Stewart to Willem Dafoe, everyone is telling the site their top four movies – but here are unwritten rules that will make sure you stand out

Once a humble app feature, Letterboxd’s Four Favourites has mutated into our era’s cinematic confession booth. Users choose (and can endlessly reshuffle) their top four films on their profile, while clips of celebrities and civilians alike performing the same ritual play out to Letterboxd’s 2.4 million Instagram followers.

It’s now a social-media genre of its own: the red carpet backdrop, the jaunty music, the snappy edits, the cheerful pings as posters slide into place. Each clip is a perfect little slice of fame,…