The 20 most stylish Royal Ascot hats of all time

This delicate cream ecru straw teardrop beret percher was a stunning choice from Harriet Sperling. Trimmed with a twisted straw bow and featuring a large, dramatic flower made from soft, flowing fabric. The structured base of the hat provided a perfect balance to the oversized floral detail, creating a harmonious and eye-catching look.

Little Buds founder Laura-Ann Barr brought Barbiecore to the racecourse in a vibrant pink headpiece, with rose accents, that added a romantic touch to the day.

TV presenter and style icon Louise Roe attended day four of Royal Ascot in a stunning daisy adorned netted beret. 

Hello! Fashion's December 2022 cover girl Hana Cross was the moment on Ladies Day last year in a rose-adorned dress by Alessandra Rich, paired with a black floral headpiece by Monique Lee millinery.

Princess Kate's sophisticated wide-brimmed hat was a classic. The hat combined a chocolate base with white floral accents along the brim, creating a striking contrast.

Betty stunned in a Preen by Thornton Bregazzi dress paired with the 'Mimi' boater boasting three origami crinoline birds from Awon Golding millinery.

Beatrice oozed femininity in a Zimmermann dress and a floral headpiece by Juliette Botterill Millinery.

Racing TV presenter Rosie Tapner wore a totally royal-approved outfit, and a stunning hat. Both her chic lace dress and blue, grey and cream headpiece were created by Catherine Walker.

British fashion insider Hum Fleming wore a menswear-inspired headpiece designed to emmulate a classic top hat during Royal Ascot 2021.

Emma Thynn's unique hat was a pale pink creation featuring an abstract, sculptural form. The hat includes intricate, folded fabric details that create a sense of movement and texture, complemented by the delicate pink hue.

Princess Diana's niece wore this monochrome Phillp Treacy piece (noticing a royal millinery theme here?) in 2019. Rumour has it that she had to lie vertically in the car thanks to the OTT black spike sticking upwards. The kind of dramatic outfit we love.

This look has become one of Princess Kate's most iconic in her tenure as British royal. Ascot 2019 is where she first wore this stunning powder blue Elie Saab dress and Phillip Treacy hat combo. Since then she sported the exact same look for the 2023 Buckingham Palace Garden Party.

For the opening day of Ascot in 2018, Meghan oozed chic in a wide black-and white-hat by Philip Treacy. Meghan opted for a custom Givenchy dress made by creative director Clare Waight Keller.

The future Countess of Snowdon, who married David Armstrong-Jones, the only son of Princess Margaret, dazzled in a oversized lilac hat covered in purple plumage. 

A guest took florals in summer and made it dramatic in the coolest poppy hat we've ever seen to grace Ascot.

The late of Princess of Wales wore a super chic black and white spotted dress by Victor Edelstein and a Philip Somerville hat.

For the fourth day of the races in 1969, Princess Margaret wore a dramatic white hat adorned with daisies.

The racegoer stunned in a large hat crafted from French lace and net. More is more. 

Yvonne protected her tall hat from the rain on Ladies Day at Ascot racecourse. The hat, which she made herself, was 18 inches high and made of white nylon.