In the inter-war period court diplomacy played an important role in Anglo-Japanese relations. Both governments saw the exchange of high-level royal visits and the conferment of decorations, such as the bestowal of the Order of the Garter to Emperor Hirohito in 1929, as a useful means of indicating respect and the desire for continued co-operation. Even as late as 1937 Prince Chichibu’s attendance at King George VI’s coronation was intended to lead to closer ties. This article demonstrates that the neglected field of court diplomacy and diplomatic protocol can provide a useful parallel commentary on more overtly political events.