I have a new style crush. On Tuesday Prince Harry delighted the nation when it was announced that he had finally popped the question to the divine American actress Meghan Markle. Meghan, the star of the hit series ‘Suits’  is a princess for the 21st century, mixed race, a feminist, sassy and independent, and the fact that they seem so well suited and totally in love is a really lovely story in our increasingly miserable times. Meghan’s wardrobe is certainly going to be under scrutiny, and her winter white coat which she wore for the engagement announcement crashed the Line the Label website and showed that the ‘Kate Effect’ may…