Fancy hats and fascinators aren't just a preferred accessory at royal weddings — they're a necessary requirement [1]. So when Prince Harry and Meghan Markle (finally!) tied the knot [2] at Windsor Castle on May 19, guests from Priyanka Chopra [3] to Kate Middleton [4] donned their chicest toppers for the special occasion. Some were on the subdued side while others were so out-there, they almost distracted us from the bride's gorgeous dress [5] (keyword: almost). Ahead, admire the most elaborate headpieces from the royal wedding, in no particular order, and then be sure to see what the most fashionable guests wore to Harry and Meghan's nuptials [6].
Oprah Winfrey
Oprah wore a large ivory hat with blush pink roses and feathers that matched her Stella McCartney dress [7].
Priyanka Chopra
The Quantico star looked lovely in lavender, matching her flower-adorned Philip Treacy hat to her custom Vivienne Westwood outfit [8].
Kate Middleton
The Duchess of Cambridge donned a pale-yellow Alexander McQueen dress [9] and a Phillip Treacy hat that featured large floral detailing on one side.
Serena Williams
The tennis star wore a long-sleeve Versace dress [10] with a ruffled fascinator.
Amal Clooney
The lawyer stunned in a marigold Stella McCartney dress [11], which she accessorized with a matching netted hat.
Queen Elizabeth II
The queen turned heads in a bright green Angela Kelly top hat, which featured some furry purple detailing on one side.
Lady Kitty Spencer
Princess Diana's niece donned a floral sleeved dress with a netted, feathery headpiece.
Charlotte Riley
Tom Hardy's wife, Charlotte Riley, matched her multicolored hat to her dress.
Camilla Parker Bowles
The Duchess of Cornwall was giving us all the chic flamingo vibes in her feathered pink hat and matching dress.
