Paolo Roversi/Getty Visuals In portraits produced to celebrate her 40th birthday, the Duchess of Cambridge stayed correct to some of her sartorial signatures. In the pictures, taken by acclaimed manner photographer Paolo Roversi, she wears three custom-made pieces by Alexander McQueen – Sarah Burton becoming Kate’s designer of alternative for countless life milestones and popular gatherings, not least her marriage robe. But when it arrived to her hair, the photos offered a departure from the duchess’ go-to design and style. Kate has turn into synonymous with a traditional bouncy blow-dry. When worn down, her hair – whether lower with a developed-out fringe or not – is usually styled smooth at…