Two days after Princess Alexandra celebrated her birthday, it is now the Hereditary Grand Duchess Stéphanie's turn.

The wife of the Hereditary Grand Duke, Prince Guillaume, is the youngest daughter of Count Philippe of Lannoy's eight children. She was born on 18 February 1984 in Renaix, Belgium. This Sunday she celebrates her 40th birthday.

The royal couple celebrated their wedding on 20 October 2012 in the Notre-Dame Cathedral in Luxembourg City. They have two children: Prince Charles Jean Philippe Joseph Marie Guillaume was born on 10 May 2020 and his younger brother Prince François Henri Luis Marie Guillaume, was born on 27 March 2023.

For a biography of the Hereditary Grand Duchess click here.

Here's the official statement from the Royal court:

Anniversaire de son Altesse Royale la Princesse héritière

Son Altesse Royale la Princesse Héritière, née le 18 février 1984, célébrera ses 40 ans ce dimanche.

La Comtesse Stéphanie de Lannoy est née à Renaix en Belgique. Elle est la huitième enfant, et la cadette, du Comte de Lannoy († 10.01.2019) et de la Comtesse de Lannoy, née Alix della Faille de Leverghem († 26.08.2012)