Diane Hill wallpaper collection from Harlequin. You can order wallpaper from the Diane Hill collection from Harlequin online with us! A collection as part of #owntheroom in collaboration with the artist Diane Hill. Hand painted chinoiserie designs full of colors and flowers. Wallpaper designs Valentina, Rosa, Florence, Marsha, Isabella, Marie, Ella, Lady Alford and Nellie. Wallpaper Diane Hill Harlequin