Princess Diana had that knack of wearing clothes that just seemed to fit the occasion, notably a white military style outfit by Catherine Walker that was christened the ‘Little drummer’ boy outfit by the press, when she wore it to Sandhurst on one occasion. Today Kate, Duchess of Cambridge has shown that same touch of the dramatic when she attended a medals ceremony for the Irish Guards, at Windsor Barracks, wearing  a navy blue military style, double-breasted  coat/dress and small hat and clutch bag. She accessorised with a stunning three-leaf clover badge on her coat. This is a fantastic stylish look for Kate, although she is still looking very slim.…