Anne Sainte-Marie is wearing egret-feathered hat by Christian Dior, photo by Henry Clarke, 1955.
“I consider that without hats, an intrinsic part of fashion, we would have no civilization”, said once Christian Dior.
But.... how to wear a hat? With aplomb, knowing you are absolutely right. Rules are yesterday. How you wear your hair, your size, how you feel at the moment, are what count. Perhaps the only "rule" to consider is that of proportion. A large hat balances a narrow outfit or it's opposite, a skirt on the scale of Miss Scarlett's hoopskirt. A small hat is fine with both the narrow and the billowing silhouette. A hat with a brim is worn straight on the head, unless you're under ten.
But you may find, for instance, that if you're small, a big hat isn't wrong:It makes you look devastatingly fragile. If you're tall, a high crowned hat may only make you more majestic. One of the greatest enemies to hat~wearing is self-consciousness. Stand tall...
~Taken from The Romance of Hats.