1. You need to know when to let something go (no matter how much you've loved it )A few years ago, the Duchess was often spotted in her beloved Aquaitalia suede boots but after being well-loved they soon began to look a little tired and scuffed.
Sensibly, they've been done away with in favour of sleeker styles.2. Beware of flying hemlines...Putting small tailors' weights in the hems of one's skirts is a fashion trick which the Queen has been practising for years.
But it was a lesson that the Duchess almost learned the hard way, when her flyaway chiffon dress by Jenny Packham almost blew up in front of photographers on a windy Calgary airfield in July 2011. 3.
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