Title: The Glass Princess (Parts 3-4)
Summary: A narcissistic pig named Porcina has ponynapped Heartthrob, Gusty and Lickety-Split with the intent of shaving them and fashioning their hair into a magic cloak so she can turn everything into glass, so she can look at herself all the time. Because apparently you can’t buy mirrors in Ponyland. And the word “mirror” is synonymous with “glass”. The ponies have had makeovers that make the bright red Mimic custom project look like a good idea, and Porcina intends to turn all of Ponyland into glass.
I will refer to My Little Pony: Friendship is Magic as FiM, to save typing it all the time.