Today on January 20, 2024, Belgium's Queen Mathilde is celebrating her 51st birthday. Mathilde is the first Belgian-born Queen of the Belgians and she has four children, namely, Crown Princess Elisabeth, Prince Gabriel, Prince Emmanuel and Princess Eleonore. On the occasion of the birthday, the Royal House of Belgium released two new photos. The photos were taken by Vlad Vanderkelen in the garden of the Castle of Laeken.