Dress codes at Royal Ascot Racecourse are stringent: no bare shoulders, no revealed thighs and certainly no visible midriffs.
But the hat is where the ladies can let it rip.
In fact, organisers forbid any headwear that is too small or fascinatoresque, necessistating air kiss greetings only as Zara Phillips and Princess Michael of Kent demonstrated.
Princesses Eugenie and Beatrice went conservative by their standards, but there were some wild and wacky solutions indeed.
Have a look at our favourites!
Hats remain compulsory at Royal Ascot Racecourse. This elegant do is one of our favourites.
Zara Phillips and Princess Michael of Kent negotiate their ways around their hats to greet each other.
This gorgeous purple number must be borderline in the prohibition of fascinators.
Princess Eugenie of York and Princess Beatrice of York.
The birds’ view.
A hilarious champagne number.
With gift boxes stacked at the back!
These racegoers go bold.
Anneka Tanaka Svenska’s peripheral vision needed to work extra hard on race day.
The effect from this yellow tulle number with matching dress is stunning.
Jackie Sinclair and her huge feathered butterfly hat.
Designer Anouska Lancaster opted for a peacock feather design which brings a classic feel to the novel shape.
This hat compliments the feminine outfit with a statement.
The simplicity of the straw hat with the elaborate feathers makes for a chic effect.
This incredible hat wraps around the entire head.
Model Eliza Cortez settled opted for a super-sized rose bud.
