This season has seen a whole host of limited collection pieces and designer collaborations that have made the High Street a very exciting place to be. Last week saw the launch of the collaboration between Kate Middleton’s fave LK Bennett and British designer duo Preen. This collection had already had a preview when it was worn by style maven Olivia Palermo at the recent London fashion week, and it is full of beautiful, timeless pieces that could have a place in your wardrobe forever. LK Bennett say: We are delighted to introduce our first ever ready-to-wear collaboration, with internationally celebrated label, Preen. Design duo Justin Thornton and Thea Bregazzi drew…