This Saturday saw the wedding of Lily Allen and Sam Cooper, and the surprise but heart warming news that Lily is more than 12 weeks pregnant. All eyes were on the dress, as Lily is known as a vintage aficionado, who has here own vintage clothes shop, Lucy in Disguise, that she co-runs with sister Sarah, and has recently launched her own vintage-inspired line to be sold through Harvey Nichols. Lily is also a sometime muse of Karl Lagerfeld of Chanel, so he was another possible designer name in the frame. As it was, Lily plumped for an exquisite 1920s style dress by French designer Delphine Manivet, that owed something in style…