guests break out their coolest, most innovative accessories for the occasion. So, without further ado, sit back and enjoy the most magnificent hats. and fascinators from royal wedding history.

Fergie's hat drew comparisons ... members of the royal family who can rock outrageous headwear. Sarah Ferguson, Duchess of York, pulled up at her younger daughter’s royal wedding to Jack Brooksb ...

In fact, every other wedding guest may as well just ... This princess just became the first British royal to create a personal Instagram Cara showed up in a top hat and tails to the wedding ...