Stéphanie, Hereditary Grand Duchess of Luxembourg

Princess Stéphanie, Hereditary Grand Duchess of Luxembourg (born Countess Stéphanie de Lannoy on 18 February 1984), is the wife of Hereditary Grand Duke Guillaume, heir apparent to the throne of Luxembourg. 
She became engaged to the Hereditary Grand Duke on 26 April 2012 and married him, in a civil ceremony, on 19 October 2012, followed by a religious service the next day. The couple have a son, Prince Charles.