There are many. There has to be many as we live in a world where anything and everything can be turned into fashion. Just have a look at these weirdest fashion trends:
Straw Hat Dress
Clear Plastic Skirt
'Make fashion great again' from London Fashion Week by Edwin Mohney having President Donald Trumps' rubber masks dresses and trumpettos.
Helium Party Balloon filled Headdresses by Matty Bovan