For those in the royal enclosure, skirts must be of knee-length or longer, while the base of one's hat or headpiece must measure four inches or more (be gone, pathetic feather fascinators.) Trouser suits, are given the thumbs up, but shorts, the thumbs down - while dresses must have a strap a least one inch thick, to sit across the shoulders, NOT around the neck exposing lots of naughty back and shoulder flesh. Oh, and it probably goes without saying that exposing of one's midriff is strictly prohibited.
But many of the attendees clearly think that rules are made to be broken...
In fairness to Frank, we're not sure if 'men in floral halos' is explicitly listed as an Ascot no-go.
If we were a red-top tabloid we'd probs describe this photos as "a busty bevvy of Ascot lovelies", but we're not so we'll just say this: these women look hideous. Our favourite thing about the photo? The guy with the plastic bag. Creepy doesn't even cover it.
This woman doesn't know where her knees are.
Florence Brudenell-Bruce simultaneously reveals her distate for a hat brim - and her desire to be a rabbit.
See who else has been making an exhibition of themselves at Ascot: