Shoppers are praising M&S’s new-in ‘flattering’ floral dress that’s perfect for special occasions, and I’m predicting that the £45 midi is going to fly off the virtual shelves. Shop it now. Shoppers are praising M&S’s new-in ‘flattering’ floral dress that’s perfect for special occasions, and I’m predicting that the £45 midi is going to fly off the virtual shelves. Shop it now.