Crown Prince Frederik and Crown Princess Mary of Denmark, Prince Willem-Alexander and Queen Maxima of the Netherlands and Crown Princess Victoria and Prince Daniel of Sweden all showed up to watch the fellow royal couple say "I do." Photo: PA Images
Stephanie's bridesmaids, Princess Alexandra of Luxembourg and Antonia Hamilton, helped her showcase her custom made Elie Saab gown. The bride's gown, which was one of two dresses made by the designer for her big day, featured a 14-foot train, 50,000 pearls and took a grand total of 4,000 hours to make. Photo: Patrick van Katwijk / DPA/PA Images
Guillaume and Stephanie made their exit from the Cathedral of Our Lady in the City of Luxembourg as husband and wife. Photo: Patrick van Katwijk / DPA/PA Images
Sealed with a kiss! Guillaume and Stephanie took to the balcony of the Grand Ducal Palace where they shared a smooch as newlyweds in front of the crowd. Photo: Patrick van Katwijk / DPA/PA Images
After the religious ceremony, the couple posed for the official wedding photo with their flower girls and page boys. Photo: Grand-Ducal Court / Christian As / DPA/PA Images
A day earlier, the couple held a low-key civil ceremony.Photo: Frank May / DPA/PA Images
Sign on the dotted line! Prince Guillaume signed the paperwork on October 19, 2012, officially marking his marriage to Countess Stephanie de Lannoy during their civil wedding at the Luxembourg City Town Hall. Photo: Christian Aschman / DPA/PA Images
The newlyweds held up signs presented to them from fans who stood outside to witness day one of their weekend wedding celebration. Photo: Patrick van Katwijk / DPA/PA Images
After their civil ceremony, Guillaume walked past a crowd of well-wishers who lined the streets to watch the live broadcast. A young spectator presented the couple with flowers. Photo: Frank May / DPA/PA Images
The newly (legally married) Guillaume and Stephanie posed with Grand Duke Henri and Grand Duchess Maria Teresa of Luxembourg during their civil wedding ceremony. Photo: Patrick van Katwijk / DPA/PA Images