Princess Caroline's son Andrea Casiraghi will get married to Tatiana Santo Domingo on 31 August.
The couple has been together for 8 years, and engaged for 1 year and 4 months.
With only a week to go, the final preparations are being made and the world will soon find out if Andrea and Tatiana will wed inside the Palace, in front of hundreds of guests, or whether they will marry in an intimate ceremony before close friends and family.
The couple met through Andrea's sister Charlotte after the two young women attended the same school, Lycée Jeanne d'Arc Saint-Aspais, in Fontainebleau, near Paris.
They later studied together at the American University in the Paris.