Pippa Middleton has been photographed glowing as she ventured outside for a spring walk with her newborn daughter. The 37 year old, whose husband James Matthews' family have a breathtaking estate in Scotland on the edge of a loch, was seen strolling in London on Tuesday 13 April.The doting mum dressed up for the outing as she donned a stunning knee-length burgundy coat, which she buttoned all the way to the top to ensure she keeps warm.