It is a well-known fact that the ponies of Equestria, in general, do not wear clothes. From Princess Celestia all the way down to Applejack, it would seem that the only time ponies bother with such a frivolous thing is for special occasions.
But the truth is far more complicated than that. As it turns out, all of those ponies are dressed.
You just can't see it.
As seen on Equestria Daily!
Editors: Sipioc, Georg, Zen and Ponies
Cover art by the Right Most Awesome Sipioc
Russian translation provided by Grand Cat