Wallis have finally launched the much-anticipated Black Rose Collection, and it is simply stunning. The collection is made up of floor sweeping evening dresses that seem to have been inspired by the movie stars of the 1930s, think Constance Bennett and Rosalind Russell being wooed by Cary Grant and they would probably have been wearing  dresses like these. These dresses are unusual in the amount of flesh they cover up. With long sleeves, high necklines and full length skirts, the dresses are perfect for woman who like to avoid flashing too much skin. But that doesn’t mean they are not sexy – the way they fit the curves of the…