There’s actually very few straight examples of Beautiful All Along. It’s a trope that is played with, but mostly parodied and lampshaded, sometimes even purposefully inverted to make the point that Anon is making here.
Beautiful All Along - TV Tropes
A stock plot: an ugly duckling goes off in private, loses the glasses, takes down her hair, maybe gets a little makeup and some nicer clothes and finally returns as a swan. Another version of this would be "Miss Jones Syndrome", where a dowdy, …