* added by 10 users within the last 6 months
* clear scope
* used objectively, seems to be applied to any relevant picture without bias
I don't see any reason to get rid of it. It's an iconic outfit. We even have a couple images of other characters wearing it.
Btw we do have multiple other similar tags: Twilight's [birthday dress](/tags/birthday+dress), [constellation dress](/tags/constellation+dress), [jester dress](/tags/jester+dress), stained window [princess dress](/tags/princess+dress) and [second coronation dress](/tags/second+coronation+dress), Lemon Zest's [zest best dress](/tags/zest+best+dress), Jessica Rabbit's [famous red dress](/tags/jessica%2Brabbit%2Bdress), and [Rarity's mermaid dress](/tags/rarity%27s+mermaid+dress) and her [carousel dress](/tags/carousel+dress).