Have a look at the family picture above, showing Queen Mathilde and King Filip and their 4 children, and also Princess Astrid and Prince Lorenz. You may notice Princess Astrid's absent, disinterested gaze, or the absence of Prince Laurent and his wife Claire, who declined the invitation.
However, most attention went to Mathilde and her top-to-toe shining, golden dress. Mathilde's dress is a design by Edouard Vermeulen (Natan), who also works for the Dutch Queen Máxima.
Nathalie Corner of MailOnline used superlatives to depict Mathilde's appearance, describing her as "glamorous" and "stunning", apart from using the verb dazzle in the headline.
Click on bottom video to get a taste of the Christmas concert.