The queen of beltway babes Melania Trump (47) is spotted sporting a stylish piece from Cefinn, Samantha Cameron’s fashion range. The First Lady looked gorgeous in green as she showed off the £295 green belted muslin shirt dress, which she wore to meet the Pittsburgh Penguins NHL ice-hockey team yesterday. SamCam founded Cefinn in February, pitching it her debut styles as: “sleek, fashion-conscious affordable office wear”. Good for Anglo-US exports…