Princess Märtha Louise of Norway and Mr. Ari Behn

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Princess Märtha Louise of Norway and Mr. Ari Behn attend the Government Gala Performance for the Wedding of Crown Princess Victoria of Sweden and Daniel Westling at Stockholm Concert Hall on June 18, 2010 in Stockholm, Sweden.

Marie Aglaë, Princess of Liechtenstein and Prince Hans-Adam II of Liechtenstein

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Mother and father of Crown Prince Alois, Marie of Liechtenstein (L) and Prince Hans-Adam II of Liechtenstein wave to the crowd during the parade in Vaduz July 12, 2006 during celebrations for the small Alpine principality's 200th anniversary. Hans-Adam II handed over the reins of power to his son in 2004.

Crown Prince Alois and Princess Sophie of Liechtenstein

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Crown Prince Alois, and Princess Sophie of Liechtenstein watch the parade in Vaduz July 12, 2006 during celebrations for the small Alpine principality's 200th anniversary. Prince Hans-Adam II handed over the reins of power to his son in 2004.

The Duke and Duchess of Gloucester

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The Duke (C) and Duchess (R) of Gloucester deliver a wreath for the tomb for the tomb of the late King Taufa'ahau Tupou IV at his state funeral on September 19, 2006 in Nuku'alofa, Tonga.

Liechtenstein Royalty

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(L-R) Sophie, Hereditary Princess of Liechtenstein, Duchess Marie-Carolin von Wuerttemberg, Duchess Maria Anna in Bayern, her bridegroom Klaus Runow, Duke Max in Bayern, Duchess Helene in Bayern and Duchess Elisabeth in Bayern-Terberger pose prior to the bridal soiree at the Castle of Nymphenburg on September 3, 2007 in Munich, Germany.

Prince Amedeo Of Belgium

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Prince Amadeo from Belgium poses for a picture after taking an oath to become officer, at the Belgian Military School, on September 27, 2007 in the Belgian capital Brussels.

Princess Laurentien and Prince Constantijn of the Netherlands

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Princess Laurentien and Prince Constantijn of the Netherlands pose for a photo on Queen's Day on April 30, 2008 in Franeker, The Netherlands.

Belgian Royals Pose For The Press

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(L-R) Prince Laurent of Belgium, Prince Aymeric of Belgium, Princess Louise of Belgium, Princess Claire of Belgium and Prince Nicolas of Belgium attend a press photocall at Laeken Castle on June 17, 2008 in Brussels, Belgium.

Dutch Royal Family Annual Winter Photo

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The Prince of Orange Prince Willem-Alexander (R) and Princess Maxima pose with their daughters (L to R) Princess Alexia, Princess Catharina-Amalia and Princess Ariane at the start of their annual Austrian skiing holiday on at the ski resort of Lech am Alberg on February 16, 2009 in Lech, Austria.

Prince Louis, Princess Tessy and Prince Felix from Luxembourg

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Prince Louis and Princess Tessy and Prince Felix from Luxembourg arrive at the Te Deum at the Luxembourg Cathedral on National Day on June 23, 2009 in Luxembourg, Luxembourg.

Belgium Royalty at Brussels Center for Fine Arts

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Prince Lorenz of Belgium, Princess Astrid of Belgium, Queen Paola of Belgium, Prince Laurent (Back) of Belgium, Vice-President of China Popular Republic Xi Jinping, King Albert II of Belgium, Prince Philippe of Belgium, Princess Mathilde of Belgium and Princess Maria-Laura of Belgium pose on October 8, 2009 at the entrance of the exhibition "Son of the Sky" at the official opening of Europalia China at Brussels Center for Fine Arts (Paleis voor Schone Kunsten).

Queen Margrethe of Denmark 70th Birthday Celebration

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Crown Princess Mary of Denmark, Princess Isabella of Denmark, Crown Prince Frederik of Denmark, Prince Christian of Denmark, Queen Margrethe of Denmark, Henrik The Prince Consort of Denmark, Prince Henrik of Denmark, Princess Marie of Denmark, Prince Joachim of Denmark, Prince Felix of Denmark and Prince Nikolai of Denmark attend Queen Margrethe's 70th Birthday Celebrations at Amaienborg Castle on April 16, 2010 in Copenhagen, Denmark.

Queen Margrethe II and Prince Henrik of Denmark

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Queen Margrethe II and Prince Henrik of Denmark attend the Government Pre-Wedding Dinner for Crown Princess Victoria of Sweden and Daniel Westling at The Eric Ericson Hall on June 18, 2010 in Stockholm, Sweden.

Prince Lorenz (L) and Princess Astrid of Belgium

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Prince Lorenz (L) and Princess Astrid of Belgium arrive at the Eric Ericson Hall of Skeppsholmen in Stockholm on June 18, 2010 prior to a gala dinner presented by the local government.

Prince Félix of Luxembourg

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Prince Félix of Luxembourg attends the Government Pre-Wedding Dinner for Crown Princess Victoria of Sweden and Daniel Westling at The Eric Ericson Hall on June 18, 2010 in Stockholm, Sweden.

The Earl of Wessex, Prince Edward

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HRH, The Earl of Wessex, Prince Edward attends the medal ceremony for the Bantam Weight (56kg) Men Finals Gold Medal Bout at Talkatora Indoor Stadium on day ten of the Delhi 2010 Commonwealth Games on October 13, 2010 in Delhi, India.

Queen Sonja of Norway and King Harald of Norway

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Queen Sonja of Norway and King Harald of Norway attend the Wedding of Crown Princess Victoria of Sweden and Daniel Westling on June 19, 2010 in Stockholm, Sweden.

Princess Madeleine of Sweden and Prince Carl Philip of Sweden

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Princess Madeleine of Sweden and Prince Carl Philip of Sweden arrive to attend the Wedding Banquet for Crown Princess Victoria of Sweden and her husband prince Daniel at the Royal Palace on June 19, 2010 in Stockholm, Sweden.

Princess Christina of Sweden and Crown Prince Naruhito of Japan

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Princess Christina of Sweden and Crown Prince Naruhito of Japan attend the Wedding Banquet for Crown Princess Victoria of Sweden and her husband prince Daniel at the Royal Palace on June 19, 2010 in Stockholm, Sweden.

Princess Benedikte and Prince Richard zu Sayn-Wittgenstein-Berleburg of Denmark

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Princess Benedikte and Prince Richard zu Sayn-Wittgenstein-Berleburg of Denmark attend the wedding of Crown Princess Victoria of Sweden and Daniel Westling on June 19, 2010 in Stockholm, Sweden.

Wedding Of Swedish Crown Princess Victoria & Daniel Westling, Royal Guests Photo

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Crown Princess Victoria of Sweden, Duchess of Vastergotland, her husband Prince Daniel of Sweden, Duke of Vastergotland pose after their wedding ceremony with (L-R first row) President Mrs Tarja Halonen of Finland, Queen Sonja of Norway, King Harald V of Norway, Queen Beatrix of the Netherlands, Ewa Westling, Olle Westling, Queen Silvia of Sweden, King Carl Gustaf of Sweden, Queen Margrethe II of Denmark, Prince Henrik of Denmark, Queen Sofia of Spain, (L-R second row) Pentti Arajarvi, Dorrit Moussaieff, President Olafur Ragnar Grimsson of Iceland, Queen Paola of Belgium, King Albert, II of Belgium, Princess Madeleine of Sweden, Prince Carl Philip of Sweden, Anna Westling Blom, Queen Rania of Jordan, King Abdullah of Jordan, The Grand Duke Henri of Luxembourg, The Grand Duchess Maria Teresa of Luxembourg, Prince Albert of Monaco, (L-R third row) Crown Princess Mette-Marit of Norway, Crown Prince Haakon of Norway, Princess Letizia of Spain, Prince Felipe of Spain, Margaretha Ambler, Greve Carl Johan Bernadotte of Wisborg, Countess Gunnila Bernadotte of Wisborg, Mikael Soderstrom, Crown Princess Mary of Denmark, Crown Prince Frederik of Denmark, Crown Princess Maxima of the Netherlands, Crown Prince Willem-Alexander of the Netherlands, Crown Prince Naruhito of Japan. (L-R Fourth Row) Christina Magnusson, Tord Magnusson, Desiree Silfverschiold, Niclas Silfverschiold, Princess Birgitta of Sweden, Prince Johann Georg av Hohenzollern, Princess Benedikte of Denmark, Prince Richard zu Sayn-Wittgenstein-Berleburg, Queen Anne-Marie of Greece, King Constantine II of Greece, Princess Mathilde of Belgium, Crown Prince Philippe of Guillaume de Luxemburg, (L-R Back), Ingrid Sommerlath, Walter L Sommerlath, Anna-Britta Astrom, Hasse Astrom, Ann-Catrin Westling, Nils Westling, Ralf Toldeo Sommerlath, Anita Henriksson, Olle Henriksson, Birgitta Westling and Erik West on June 19, 2010 in Stockholm, Sweden.

Wedding Of Swedish Crown Princess Victoria & Daniel Westling

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Crown Princess Victoria of Sweden, Duchess of Västergötland, and her husband Prince Daniel, Duke of Västergötland, are seen in a carriage after their wedding ceremony on June 19, 2010 in Stockholm, Sweden.

Grand Duchess Maria Theresa, Grand Duke Henri and Prince Guillaume of Luxembourg

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Grand Duchess Maria Theresa of Luxembourg and Grand Duke Henri of Luxembourg and Prince Guillaume of Luxembourg watch the parade on Luxembourg's National Day on June 23, 2010 in Luxembourg, Luxembourg.

Princess Stephanie (R) and Prince Albert II of Monaco with his fiancee Charlene Wittstock

Prince Albert II of Monaco (C) flanked by his fiancee former South African athlete Charlene Wittstock (L) and Princess Stephanie of Monaco (R) arrives to attend the 62th annual Red Cross Gala, on July 30, 2010, in Monaco. Created in 1948, the gala is an annual fundraiser held in Monaco by its Princely Family during the summer. AFP PHOTO / STEPHANE DANNA (Photo credit should read STEPHANE DANNA/AFP/Getty Images)

Swedish Royals Attend Bicentennial Anniversary of 1810 Parliament Session

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The royal family from the left: H.M. King Carl XVI Gustaf, H.M. Queen Silvia, HRH. Crown Princess Victoria, H.R.H. Prince Daniel, H.R.H. Prince Carl Philip and and H.R.H. Princess Madeleine attends the bicentennial anniversary of the Parliament session of 1810 in Orebro at Orebro Castle on August 21, 2010 in Orebro, Sweden.

Princess Madeline of Sweden and Prince Carl Philip of Sweden

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Princess Madeline of Sweden and Prince Carl Philip arrive for the wedding of Prince Nikolaos and Miss Tatiana Blatnik at the Cathedral of Ayios Nikolaos (St. Nicholas) on August 25, 2010 in Spetses, Greece.

Princess Marie of Denmark and Prince Joachim of Denmark

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Princess Marie of Denmark and Prince Joachim of Denmark attend a memorial concert in honour of the late Queen Ingrid's 100th birthday at Tivoli on August 31, 2010 in Copenhagen, Denmark.

Dutch Crown Prince Willem Alexander, Queen Beatrix (2-L) Princess Margriet and her husband Pieter van Vollenhoven

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Dutch Crown Prince Willem Alexander (L) Queen Beatrix (2-L) Princess Margriet (2-R) and her husband Pieter van Vollenhoven (R) greet the crowd from the balcony of Palace Noordeinde in The Hague on September 21, 2010. On Prince's Day, the third Tuesday in September, the Dutch queen ceremoniously announces the state of the nation.

Crown Princess Victoria of Sweden and husband Prince Daniel

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Crown Princess Victoria of Sweden and her husband Prince Daniel visit on September 27, 2010 the Domaine de la Grange in Savigny-le-Temple, near Paris, as part of an official visit to France.

Princess Anne and daughter Zara Phillips

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Zara Phillips (R) and her mother Princess Anne, Princess Royal stand together in the parade ring at Cheltenham Racecourse on March 17, 2011 in Cheltenham, England.

Princess Elena of Spain

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Princess Elena of Spain attends 'Telva' Awards 2010 at Palacio de Cibeles on October 25, 2010 in Madrid, Spain.

Crown Princess Mette-Marit and Crown Prince Haakon Of Norway

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Crown Princess Mette-Marit and Crown Prince Haakon Of Norway attend the 2010 American-Scandinavian Foundation Gala in occasion of the foundation's 100th anniversary in the Grand Ballroom at The Plaza Hotel on October 29, 2010 in New York City.

Belgian Royals Attend The Te Deum Mass on Kings Day

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Princess Claire of Belgium and Prince Laurent of Belgium pose for a photo near the Brussels' Cathedral on Kings Day after attending the Te Deum on November 15, 2010 in Brussels, Belgium.

Her Royal Highness the Duchess of Gloucester and King Albert of Belgium

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Her Royal Highness the Duchess of Gloucester and King Albert of Belgium talk at Laeken Castle before attending a concert at Laeken Castle on November 16, 2010 in Brussels, Belgium.

Her Royal Highness Infanta Cristina of Spain

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Her Royal Highness Infanta Cristina of Spain arrives at Laeken Castle to attend a concert at Laeken Castle on November 16, 2010 in Brussels, Belgium.

Princess Stephanie of Monaco

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Princess Stephanie of Monaco attends the annual Thanksgiving Mass as part of Monaco National Day Celebrations at Cathedral Notre Dame on November 19, 2010 in Monaco, Monaco.

Charlene Wittstock, Princess Caroline of Hanover and Prince Albert II of Monaco

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(L-R) Charlene Wittstock, Princess Caroline of Hanover and Prince Albert II of Monaco attend the Monaco National day Gala concert at Grimaldi forum on November 19, 2010 in Monaco, Monaco.

Norwegian King Harald V and Queen Sonja

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Norwegian King Harald V and Queen Sonja applaud during the ceremony for the Nobel Laureate and dissident Liu Xiaobo at the city hall in Oslo, on December 10, 2010.

Queen Silvia and King Carl Gustaf of Sweden

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Queen Silvia and King Carl Gustaf arrive with Prince Carl Philip (L-back), Crown Princess Victoria (C-back) and prince Daniel (R-back) at The King's dinner for the Nobel Laureates at the Royal Palace in Stockholm on December 11, 2010.

Pauline Ducruet of Monaco

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Pauline Ducruet of Monaco and a daughter of Princess Stephanie of Monaco takes part in the youth women's 3m springboard preliminary round at the Youth Olympic Games 2010 in Singapore on August 23, 2010.

Queen Paola and King Albert II of Belgium

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Queen Paola and King Albert II of Belgium pose for a photo in front of the Christmas tree at Royal Palace on December 15, 2010 in Brussel, Belgium.

Spanish Royals Celebrate New Year's Military Parade 2011

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(L-R) Princess Sofia, Prince Felipe, Queen Sofia and King Juan Carlos I attend the Pascua Military ceremony at Royal Palace on January 6, 2011 in Madrid, Spain.

King Juan Carlos I and Queen Sofia of Spain

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King Juan Carlos I and Queen Sofia attend the Pascua Military ceremony at Royal Palace on January 6, 2011 in Madrid, Spain.

Princess Margriet of the Netherlands, Princess Astrid and Princess Laurentien of the Netherlands

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Princess Margriet of the Netherlands (L) arrives with Belgium's Princess Astrid (C) and Princess Laurentien of the Netherlands (R) for the 'ECF Routes Princess Margriet Award for Cultural Diversity' in Brussels on February 8, 2011.

Spanish Royals attend Easter Mass

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Spanish Royals (L-R) Princess Elena, Princess Cristina, Prince Felipe, Queen Sofia, Princess Letizia and kids Princess Leonor and Princess Sofia attend Easter Mass on April 24, 2011 in Palma de Mallorca, Spain.

Princess Mette-Marit of Norway and Prince Haakon of Norway

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Princess Mette-Marit of Norway and Prince Haakon of Norway attend the official welcoming ceremony for Lithuania's president Dalia Grybauskaite at the Royal Palace during the first day of the Lithuanian state visit on April 5, 2011 in Oslo, Norway.

Prince Charles And Camilla, Duchess Of Cornwall Visit Morocco - Day 3

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Camilla, Duchess of Cornwall and Prince Charles, Prince of Wales visit the Artisanal Centre on day three of a three day visit to Morocco on April 6, 2011 in Fez, Morocco. Camilla, Duchess of Cornwall, and Prince Charles, Prince of Wales, are on a three day trip to Morocco as part of a tour to Portugal, Spain and Morroco.

Britain's Prince William and his fiancee Kate Middleton

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Britain's Prince William (L) and his fiancee Kate Middleton are pictured during a visit to Darwen Aldridge Community Academy in Darwen, north-west England, on April 11, 2011. The couple were at the academy to officially open the centre and also to launch the SkillForce Princes Award.

Queen Margrethe II and Prince Henrik of Denmark

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Queen Margrethe II of Denmark (L) and Prince Henrik of Denmark (R) arrive to attend the christening of their twin grandchildren at Holmens Kirke on April 14, 2011 in Copenhagen, Denmark.

Princess Maxima and Prince Willem-Alexander of the Netherlands

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Princess Maxima and Prince Willem-Alexander of the Netherlands watch children perform at the Palucca Dance High School on April 14, 2011 in Dresden, Germany. The Dutch royals, including Queen Beatrix; are on a four-day visit to Germany that includes stops in Berlin, Dresden and Duesseldorf.

Princess Maxima of the Netherlands

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Princess Maxima of the Netherlands shakes hands with fans during a visit at Eurode business-centre on April 15, 2011 in Herzogenrath, Germany. The Dutch royals are on a four-day visit to Germany that includes stops in Berlin, Dresden and Duesseldorf.

Christening of the Danish Royal Twins

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Crown Princess Mary of Denmark and Crown Prince Frederik of Denmark with Princess Isabella of Denmark and Prince Christian of Denmark pose after the christening of their twins Prince Vincent and Princess Josephine at Holmens Kirke on April 14, 2011 in Copenhagen, Denmark.

Prince Gustav of Sayn-Wittgenstein-Berleburg and Carina Axelsson

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Prince Gustav of Sayn-Wittgenstein-Berleburg and Carina Axelsson arrive to attend the christening of Crown Prince Frederik and Crown Princess Mary's twins at Holmens Kirke on April 14, 2011 in Copenhagen, Denmark.

Prince Charles with son Prince Harry

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In this handout photo, dated March 21, 2011, issued by the Ministry of Defence, Prince Harry and his father, the Prince Charles, Prince of Wales, stand in front of an Apache Helicopter after Prince Charles was invited by the Army Aviation Centre in his role as Colonel-in-Chief of the Army Air Corps (AAC) in order to fly an Apache and to meet students on the Apache Conversion Course on March 21, 2011 in Middle Wallop, England.

Queen Beatrix of the Netherlands and Dutch Crown Princess Maxima

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Queen Beatrix of the Netherlands (L) and Dutch Crown Princess Maxima visit the Kokery Zeche Zollverein (coal mine) in Essen, western Germany, on April 15, 2011. The Dutch Royal Family is on a four-day-visit to Germany.

Prince Albert of Monaco with fiancee, Charlene Wittstock

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Prince Albert of Monaco with fiancee, Charlene Wittstock after the match between Rafael Nadal of Spain and David Ferrer of Spain during Day Eight of the ATP Masters Series Tennis at the Monte Carlo Country Club on April 17, 2011 in Monte Carlo, Monaco.

Sophie Countess of Wessex

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Sophie Countess of Wessex arrives to attend the Easter Matins at St George's Chapel in Windsor Castle on April 24, 2011 in Windsor, England. The annual service attended by the Queen and members of the Royal Family is one of the last formal royal engagements before the marriage of Prince William and Catherine Middleton in Westminster Abbey on April 29, 2011.

Queen Elizabeth II and the Prince Philip, Duke of Edinburgh

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Queen Elizabeth II and the Prince Philip, Duke of Edinburgh leave the Easter Matins at St George's Chapel in Windsor Castle on April 24, 2011 in Windsor, England. The annual service attended by the Queen and members of the Royal Family is one of the last formal royal engagements before the marriage of Prince William and Catherine Middleton in Westminster Abbey on April 29, 2011. From left to right: Princess Eugenie, Sophie Countess of Wessex, Tim Lawrence, Princess Beatrice, Prince Andrew, Duke of York, Prince Edward, Earl of Wessex.