The public engagements are coming in thick and fast for the Duchess of Cambridge right now. The end of last week saw two more appearances, with Kate visiting the Dulwich gallery,and then inspecting the Irish Guards on St Patrick’s Day. And I noticed that  on these two occasions, Kate was styled in a way that evoked images of the New Look looking distinctly 1950s. Is Kate now taking her sartorial cues from Grace Kelly? At the Dulwich Gallery Kate wore another dress from Orla Kiely. This was a dark grey wool dress with pretty black applique flower detailing on the neckline. In terms of styling this was pure 50s, nipped…