Today is February 18 and Hereditary Grand Duchess Stéphanie celebrates her 37th birthday. Hereditary Grand Duchess Stephanie of Luxembourg (Countess Stéphanie de Lannoy) was born on February 18, 1984 in Ronse in east Flanders region of Belgium. On the occasion of the 37th birthday of the Princess, The Grand Ducal Court released new photos of the Princess with her son, Prince Charles. The photos were taken by Sophie Margue at the family’s home at Fischbach Castle. Happy birthday to you, the Hereditary Grand Duchess.