Kate Middleton looks spectacular in a simple cream floral confection at Zara Phillips' wedding.
The Duchess really likes her flowers! This is the second time she has donned a hat (if you can even consider it that) made of flowers.
Known for probably worst hat at Prince William and Kate Middleton's wedding, Princess Beatrice goes a little more tame this time around.
It's hard to tell how Princess Eugenie's feathered brown hat stays on.
Sophie, Countess of Wessex, opts for a more whimsical look in this floppy topper.
Queen Elizabeth II steps out in a matchy-matchy ensemble that only a smurf could love. Or maybe Violet Beauregarde. The occasion: the 2010 Royal Ascot, of course, where royals and amazing headgear mix.
Veils aren't just for weddings, as the late Princess Diana proved with this natty "walkabout" hat and matching jacket
Actually, we have no idea whether Kate Middleton's hat can field signals from space. But it sure is chic.
Camilla Parker-Bowles wore this wheaty creation for her wedding to Prince Charles back in 2005.
Beatrice of York (daughter of Fergie, sister of Eugenie) wears a butterfly nest to the wedding of Autumn Kelly and Peter Phillips in 2008. The designer: Philip Treacy, the favorite miliner for royals the world over.
This hat, sported by Princess Eugenie, niece of Prince Charles, may or may not have been made of fondant from Paris Hilton's birthday cake. We'll get back to you.
Sophie, Countess of Wessex and wife of Prince Edward, demonstrates what happens when a snake has a baby with a pheasant...and then dies.
Zara Phillips, daughter of Princess Anne, chose this hat for a rainy trip to the Royal Ascot in 2007.
Montages of Julia Roberts trying on hats: It's how this member of Hollywood royalty made her career. One particularly iconic topper: This one, from Pretty Woman.
Queen Beatrix of the Netherlands apparently has a penchant for hats that double as tablewear at El Torito.
Want more? Don't miss our gallery of crazy royal hats from William and Kate's wedding!