All of the royal wedding's hilarious headgear - All eyes were on Meghan Markle, and most importantly her much-awaited wedding dress, as she walked the aisle of St. George's Chapel on the arm of her father-in-law to marry her prince on May 19.

But it was also the wedding guests, and not just the royal bride, whose outfits were capturing attention. In particular, the weird and wonderful array of hats.

From small and subtle to loud and large, check out the fabulous range of hats worn to the royal wedding!

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Oprah Winfrey - Oprah's light pink hat matched her light pink dress. It was quite flamboyant with a wide brim, flowers, and feathers.

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Amal Clooney - Amal Clooney wore a bright yellow Stella McCartney dress with a matching hat.

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Duchess of Cornwall - Camilla's pink ruffled hat divided opinions. Some thought it was too big, others praised its simplicity.

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Princess Eugenie - Princess Eugenie arrived at St George's Chapel wearing a round cream hat.

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Gina Torres - The 'Suits' actress wore a bright pink dress with a simple light pink head accessory.

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Abigail Spencer and Priyanka Chopra - Spencer wore a sophisticated navy blue fascinator while Chopra went for a more modern, pointy lilac hat.

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Autumn Phillips - Canadian Autumn Phillips wore a classic belted blue dress, with a matching colored fascinator that sat delicately on her blonde tresses.

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The Queen - Her Majesty the Queen wore a bright green and purple hat. She has known for wearing vivid colors more recently!

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Sophie, Countess of Wessex - Prince Edward's wife looked very classy in a pale blue skirt and matching fascinator with feathers.

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Sarah Ferguson - Prince Andrew's ex-wife wore a navy blue fascinator, which was fun and tidy.

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Idris Elba and Sabrina Dhowre - The English DJ's fiancee wore a wide navy blue hat.

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Pippa Middleton - Pippa Middleton's dress may have been compared to cans of Arizona Green Tea, but at least her light pink and cream fascinator seemed free from culinary judgement. 

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Serena Williams - The tennis player wore a delicate light pink fascinator on top of her braids.

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Lara Inskip - Harry's great friend Tom Inskip attended the wedding with his wife Lara, who wore a sophisticated organza hat.

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Lady Kitty Spencer - Lady Kitty Spencer looked demure in a green dress and matching fascinator.

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Carole Middleton - Kate and Pippa's mother looked very chic in her pale blue-grey ensemble. Her fascinator was the same color and blended flowers and netting.

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Lady Edwina Louise Grosvenor - Lady Edwina Louise wore a modern pink fascinator with a back rim.

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Delfina Blaquier - The Argentinian Polo player Nacho Figueras's wife wore a fresh blue dress with a matching hat. It was wide brimmed with a pale pink ribbon.

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Duchess of Cambridge - Kate Middleton wore a classic cream hat with a bloom of flowers under one side.

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Princess Beatrice - Princess Beatrice's fascinator drew a stark contrast with the hat she wore to Prince William's wedding in 2011. This one was much simpler and more demure.

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Joss Stone - Singer Joss Stone wore an elegant cream fascinator that seemed to float delicately atop her blonde waves.

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Karen Spencer - Karen Spencer, Diana's brother's wife, wore a bold purple fascinator that sat well on her flowing dark hair.

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Cressida Bonas - English actress Cressida Bonas wore a delicate and tasteful feather headdress.

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Victoria Beckham - Victoria Beckham looked tidy and stylish in a navy blue fascinator with netting.

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Zara Tindall - Princess Anne's daughter wore a navy fascinator to compliment her teal coat dress.

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Princess Anne - The Princess Royale wore a feathered navy and maroon fascinator.

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Princess Charlotte - Meghan Markle's bridesmaids, including Princess Charlotte, all wore hairbands of white roses.

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Fans - Royal fans who turned out in force to watch the royal wedding in Windsor also had some creative headgear.

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Fans - Union jack flags featured heavily on hats, clothing and banners.

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Fans - Fans kept protected from the sunny weather in Union jack sun hats.

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