Royal Ascot fashion - Fashion Hot Topics - Telegraph Don't get caught dressing inappropriately at Royal Ascot this year, follow this handy guide to the dress code, plus put your style queries to Lisa Armstrong. The rain came down but Ladies Day went on at Royal Ascot 2011. Rain hasn't dampened the style spirits of the Ladies Day racegoers at Royal Ascot 2011. Still reeling from the abuse her Philip Treacy royal wedding hat garnered, a rather more subdued Princess Beatrice showed up at Royal Ascot today. Sartorially speaking, the opening day of Royal Ascot got off to a stylish start. Show-stopping headpieces and subtly elegant creations descend upon Royal Ascot for yet another fashionable year. View pictures from James Sherwood's book, Fashion at Royal Ascot: Three Centuries of Thoroughbred Style.