It all began in 1952 when then-Princess Elizabeth was caught without a black outfit when the circumstances called for one.

Queen Elizabeth also thought about the shade of her outfits, often wearing bright ... the annual celebration of the monarch's birthday, the royal women mainly stuck to blue hues.

What to wear to Cheltenham, Epsom, Ascot and more - Not sure what to wear? Abha Shah lines up the odds on favourites for race ...