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PIERRE CASIRAGHI & BEATRICE BORROMEO
Like another well-known royal couple, the seventh in line to the Monegasque throne, Casiraghi, 27, and his new wife, Borromeo, 29, met at university and began dating in May 2008. The couple celebrated their wedding over the course of two weekends: first, there was a civil ceremony and garden party held in Monaco on July 25, 2015; the next weekend was a religious wedding in Northern Italy, on one of Borromeo's family's islands, as well as another party. The bride wore a different dress for each occasion, including two by Armani and one by Valentino.
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PRINCE CARL PHILIP & SOFIA HELLQVIST
The model-turned-princess, 30, famously starred in a Swedish reality show before marrying the Prince of Sweden, 36, on June 13, 2015 in Stockholm. (The two dated for nearly five years.) For the headline-making affair, the bride wore a white silk and lace gown by Swedish designer Ida Sjöstedt, along with a sparkling tiara.
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PRINCE WILLIAM & CATHERINE MIDDLETON
An estimated 2 billion (yes, billion with a "B") viewers tuned in worldwide to watch Prince William, 28, and Kate Middleton, 29, wed at London's Westminster Abbey on April 29, 2011; in which the Duchess of Cambridge said "I do" in a long-sleeved V-neck Alexander McQueen lace gown. She also wore the same diamond tiara Queen Elizabeth II was given on her 18th birthday.
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PRINCE AMEDEO & ELISABETTA MARIA ROSBOCH VON WOLKENSTEIN
The Belgian royal, 28, married the Italian arts and culture reporter, 26 – who went with a stunning Valentino gown for the big day – at The Basilica of Our Lady in Rome on July 5, 2014.
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PRINCE FRANCOIS D'ORLEANS & THERESA VON EINSIEDEL
The French prince, 32, and German princess, 30, met at a ball in Vienna before tying the knot at the Basilica of St Jacob in Germany on July 26, 2014. For the traditional summer wedding, the bride went the classic route in a long-sleeved lace gown with a flowing train.
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PRINCE JAIME BOURBON-PARMA & VIKTORIA CSERVENYAK
Despite officially being married in a civil ceremony on October 3, 2013, the Dutch prince and lawyer held a special ceremony for family and friends at the Church Of Our Lady At Ascension in Appeldorn, Netherlands two days later. The bride's gown, which was made by Danish designer Claes Iversen, featured lace detailing at the bottom and was accompanied by a floor-sweeping veil.
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PRINCE RAHIM AGA KHAN & KENDRA SPEARS
In a fairytale romance come true, the American supermodel, 24, (she's from Seattle) married Prince Rahim Aga Khan, 41, (the oldest son of the Shia Ismaili Muslim spiritual leader) in Geneva, Switzerland on August 31, 2013. Spears, who is now known as Princess Salwa, accented her embroidered sari with sparkling jewelry fit for a queen.
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PRINCE CHARLES & LADY DIANA SPENCER
With 750 million people tuning in to watch worldwide, England's future king, 32, wed Spencer, 20, at St. Paul's Cathedral on July 29, 1981. The fashion icon walked down the aisle in a David and Elizabeth Emanuel gown that featured lace from Charles's great-grandmother, a 25-ft. train and an 18-kt. gold horseshoe sewn into the petticoats for good luck.
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QUEEN ELIZABETH & PRINCE PHILIP
As heir to the British throne, the then-princess, 21, married the 26-year-old naval officer – who, prior to their wedding, denounced his title as Prince of Greece and Denmark to become Lt. Philip Mountbatten – before 2,500 guests at Westminster Abbey on November 20, 1947.
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CROWN PRINCE PAVLOS & MARIE-CHANTAL MILLER
Looking every inch like a future queen, the American heiress, 26, walked down the aisle in a Valentino gown that took 25 dressmakers four months to sew for her July 1, 1995, nuptials to the 28-year-old son of deposed King Constantine of Greece. Held at London's Cathedral of Saint Sophia, the lavish affair reportedly cost $1.5 million.
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PRINCE RAINIER III & GRACE KELLY
Having met only twice before, the Oscar-winning actress, 26, wed Monaco's Rainier, 32, in an extravagant ceremony at the Cathedral of St. Nicholas on April 19, 1956. Her iconic wedding gown, crafted by MGM costume designer Helen Rose, was equally fitting for the Hollywood princess – featuring 25 yards of silk taffeta, 98 yards of silk tulle and 300 yards of Valenciennes lace.
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CROWN PRINCE FREDERIK & MARY ELIZABETH DONALDSON
After meeting at a Sydney bar during the 2000 Summer Olympics, the Aussie native, 32, became Denmark's crown princess when she wed Frederik, 35, on May 14, 2004, at Copenhagen Cathedral. The couple exchanged vows in front of 800 guests, including the Kings of Sweden and Norway, Japan's Crown Prince Naruhito, and England's Prince Edward and wife Sophie.
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KING HUSSEIN IBN TALAL & LISA HALABY
After the death of his third wife, Jordan's Hussein, 42, wooed the Princeton-educated beauty, 26, in a mere four weeks and married her on June 15, 1978. Following a traditional Muslim marriage ceremony that took place at Zahran Palace, Halaby adopted the name Queen Noor al-Hussein.
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CROWN PRINCE FELIPE & LETIZIA ORTIZ
After nearly five centuries of uninterrupted monarchy, the crown prince, 36, took the 31-year-old commoner and former TV anchor as his bride on May 22, 2004, at Madrid's Almudena Cathedral, marking Spain's first royal wedding since 1906. Among the 1,400 guests: Prince Charles, former South African President Nelson Mandela and Jordan's Queen Rania.
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PRINCESS MARGARET & ANTONY ARMSTRONG-JONES
Going against the grain, Queen Elizabeth's younger sister Margaret, 29, wed the 30-year-old Jones, a photographer, on May 6, 1960. Their nuptials, held at Westminster Abbey, marked the world's first televised royal wedding. (Their divorce, in 1978, would be another landmark – the first for royals in 400 years.)
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CROWN PRINCESS VICTORIA & DANIEL WESTLING
Sweden's heir to the throne, 32, married her former personal trainer, 36, on June 19, 2010, before 1,200 guests at Stockholm Cathedral – exactly 34 years to the day after father King Carl XVI Gustaf wed Queen Silvia. The $2 million affair marked the country's first royal wedding since 1976.
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PRINCE EDWARD & SOPHIE RHYS-JONES
In England's most intimate royal nuptials, Edward, 35, wed PR executive Jones, 34, on June 19, 1999, with only 560 guests in attendance at St. George's Chapel. In the relatively low-key affair, the third son of Queen Elizabeth opted to wear a suit, while Jones wore an ivory coat dress and a black–and-white pearl necklace designed by her groom.
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CROWN PRINCE NARUHITO & MASAKO OWADA
Owada, 29, left a promising career as a member of Japan's Foreign Ministry to wed Naruhito, 33, on June 9, 1993, at Tokyo's Imperial Palace. The bride donned a customary 12-layer kimono that weighed 30 lbs. and cost more than $300,000 for the traditional Shinto nuptials, which were celebrated as a national holiday.
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PRINCE ANDREW & SARAH FERGUSON
It took the fiery Ferguson, 26, to tame England's best-known bachelor, 26, when the pair wed on July 23, 1986, at Westminster Abbey in front of 1,800 guests. Never one to play by royal rules, the Duchess of York shunned convention when designing her dress – which featured a 17½-ft. train with an embroidered letter "A."