The British Summer. Not great, is it? One minute you’re basking in glorious sunshine, the next minute you routing through your bag for a brolly! Even the hottest days have a tendency to go cool that catches you by surprise. But one style star seems to have British Summertime dressing down to a tee. Step forward Pippa Middleton. Pippa always seems to be dressed stylishly, yet appropriately, for our ever-changing climate. She wears pretty summer dresses, but adds a denim or leather jacket just in case. She will wear jeans, but add a cotton top and a pair of shades that make the outfit scream summer. She will wear a…