But Why-S-L?
Of all the perplexing dresses on this list, this one takes the crown – or should we say the tiara? This dress is a high-fashion creation, but that doesn't mean it was never worn down the aisle or used to baffle and confuse well-meaning guests.
The Cocoon dress was designed by Yves Saint Laurent in 1965 and drew inspiration from Russian nesting dolls. We can't help but notice it resembles a female hygiene product.
