One of my favourite fashion trends of all time is the English heritage trend. Role models as diverse as The Queen and Debo, Duchess of Devonshire  have been at the forefront of this particular trend since their youth, and the mantle has been passed on to Stella Tennant, Luella Bartley and Kate Moss. Films like The Edge of Love have also made English Heritage part of their charm. And this season, it is Joules that has created the perfect English Heritage collection. The English Heritage look is a design classic. It taps into the slightly disheveled look of the aristocracy off duty. Pretty printed tea dresses teamed with chunky Arran…