Some royal love stories really do have a fairy tale ending, so which well-known royals have lived happily ever after? Here we take a look at the six longest lasting royal marriages. 1. Queen Elizabeth and Prince Philip – 73 years Queen Elizabeth and Prince Philip were married for 73 years, making them the longest-married royal couple in history. Princess Elizabeth and Prince Philip met for the first time at a wedding when she was just eight years old and he was 13. However, it’s been said that Princess Elizabeth truly fell in love with Prince Philip when they met again a few years later. It was announced that the two were engaged in 1947, soon following Elizabeth’s 21st birthday. The wedding took place later that year. After her father’s death in 1952, Princess Elizabeth became Queen Elizabeth. She was 25 when her father died and 27 when she was officially crowned. At her coronation, Prince Philip offered her his undying loyalty, kneeling before her and pledging to be her “liegeman” or faithful servant. Meet India Hicks, Prince Charles’ cousin and Princess Diana’s bridesmaid They were married for 73 years before Philip’s death last April . The couple lived through numerous crises during their time together, including World War II, a pandemic and personal tragedies like the death of Princess Diana . “It is with deep sorrow that her majesty the queen announces the death of her beloved husband, his royal highness Prince Philip, Duke of Edinburgh,” the palace said in a statement. “His royal highness passed away peacefully this morning at Windsor Castle.” Prince Philip was the longest-serving British consort in history. 2. Prince Edward and Katharine, the Duke and Duchess of Kent – 60 years Prince Edward, the Duke of Kent and first cousin of Queen Elizabeth, has been married to Katharine, the Duchess of Kent, for 60 years. Prince Edward met Katharine Worsley, now the Duchess of Kent, while he was serving on an English military base, according to Town & Country . The pair were married on June 8, 1961, making them one of the longest-married royal couples. They went on to have three children: George Windsor, Earl of St. Andrews, 59; Lady Helen Taylor, 57; and Lord Nicholas Windsor, 51. Princess Cristina of Spain’s turbulent life, from divorce to losing a title 3. King Constantine II and Queen Anne-Marie of Greece – 57 years King Constantine II and Queen Anne-Marie of Greece were the last rulers of Greece before the monarchy was abolished in 1973. The pair met in 1959 when Constantine was 19 years old and Anne-Marie was just 13. A few years later, the pair’s friendship blossomed into a romance. Due to the couple’s young ages, their engagement was kept a secret for several months. Finally, in January 1963, the couple’s engagement was announced to the world. Almost two years later, King Constantine II and Queen Anne-Marie of Greece were married – just a few weeks after the royal bride’s 18th birthday and days later than the official mourning period ended following the death of Constantine’s father, King Paul. Constantine was 23 years old. The royals have now been married for 57 years and share five children: Princess Alexia, 56; Crown Prince Pavlos, 54; Prince Nikolaos, 52; Princess Theodora, 38; and Prince Philippos, 35. 4. King Harald V and Queen Sonja of Norway – 53 years In a story that sounds straight out of a fairy tale, Sonja Haraldsen, a commoner , met the then-Crown Prince Harald in 1959. Though the pair instantly connected, it wasn’t until nine years later that Prince Harald’s father, King Olav, gave the pair permission to marry. 7 things to know about Monaco’s ‘Pink Palace’, home of Princess Charlene The future queen was immediately embraced by the Norwegian people, despite her non-royal roots and what the royal family feared would be a source of great backlash. Prince Harald and Sonja Haraldsen married in August 1968. When Prince Harald became King Harald V in 1991, she became Queen Sonja. They share two children, Princess Märtha Louise, 50 , and Crown Prince Haakon, 48. 5. King Carl XVI Gustaf and Queen Silvia of Sweden – 45 years King Carl XVI Gustaf and Queen Silvia of Sweden met during the 1972 Summer Olympics in Munich. Silvia, who was born in Germany, was working as a hostess trainer with the Organising Committee for the Munich Olympic Games, during which time she was introduced to the then-Crown Prince Carl Gustaf. During their four-year-long courtship, Prince Carl Gustaf was crowned King Carl XVI Gustaf. The couple announced their engagement in March 1976 and were married in June that year. They share three daughters: Crown Princess Victoria, 44; Prince Carl Philip, 42; and Princess Madeleine, 39. 6. Grace Kelly and Prince Rainier of Monaco – 26 years Before becoming one of the most famous royals in the world, Grace Kelly had a highly successful career as an actress. She acted in her first film, Fourteen Hours , released in 1951. She got her big break the following year with the release of High Noon , which launched her career to new heights. She later won the Academy Award for best actress in 1954 for The Country Girl , beating out Judy Garland in A Star is Born . According to Harper’s Bazaar , Kelly was invited to join the United States Delegation Committee at the Cannes Film Festival in 1955. While in France for the festival, she met Prince Rainier III of Monaco on the set of a photo shoot. A year later, they were married. The couple were married for 26 years up until the princess’ death in 1982. Princess Grace suffered an apparent stroke while driving with her daughter, Princess Stephanie, which resulted in the royal losing control of the car and plunging into a ravine. She died from a brain haemorrhage the following day at the age of 52. Prince Rainier never remarried and was laid to rest beside her when he passed away in 2005 at the age of 81. This article originally appeared on Insider Want more stories like this? Follow STYLE on Facebook , Instagram , YouTube and Twitter .