If you want to update your wardrobe in the simplest way possible this season, add a touch of blue. Blue is most definitely the colour to be seen in, in any of the many shades of blue. From the azure sea shades, to the deepest of midnight blue, to royal blues and turquoise, all the shades are covered and styled, in so many different shades. The celebrities are wearing it so well at the moment and offering divine fashion inspiration. Model of the moment Cara Delevingne shows that bronze is the perfect colour to clash with your cornflower blue shades. Lana Del Rey should be singing her rendition of ‘Blue…