Princess Deena Aljuhani Abdulaziz of Saudi Arabia - The 42-year-old California native was named editor-in-chief of Vogue Arabia in 2016. The first edition of the magazine came out in March 2017 with Gigi Hadid on the cover. The princess was fired a month later for not following editorial guidelines.

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Queen Letizia of Spain - The queen consort married Filipe VI of Spain in 2004 and has held her title since 2014. She is the first common-born queen of Spain, and used to work as a journalist.

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Leonor, Princess of Asturias and Infanta Sofia of Spain - The daughters of the current king and queen of Spain are 12 and 10 respectively. When Leonor succeeds her father to the Spanish throne she will be the first queen regent since Isabella II in 1833.

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Pierre Casiraghi - Pierre Casiraghi is the grandson of Grace Kelly and the seventh in line to the Monegasque throne. In 2015 he married journalist Beatrice Borromeu and the couple had their first child in 2017.

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Charlotte Casiraghi - Pierre Casiraghi's sister is 31 and has a reputation as a less-than-traditional royal. In 2017, rumors swirled of a relationship with Brad Pitt after the two were seen talking at an event. She has one child and is not married.

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Princess Charlene of Monaco - Before marrying Prince Albert of Monaco in 2010, Charlene was a swimmer who competed at the Sydney Olympic Games in 2000. Charlene and Albert have two children together.

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Mette-Marit, Crown Princess of Norway - Since she married Prince Haakon, Mette-Marit has been very involved with humanitarian causes. Before their marriage she worked as a waitress and had a reputation for partying. She has three children.

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Zara Phillips - Zara is the cousin of princes William and Harry and sixteenth in line for the British throne. Her big passion is equestrianism and she competed in the sport at the 2012 Olympic Games in London, where she won a silver medal.

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Amelia Windsor - In 2016 she became the first royal woman to appear on the cover of Tatler magazine since Princess Eugenie in 2008. She is the granddaughter of Edward, Duke of Kent. She is 36th in line to the British throne.

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Princess Sirivannavari Nariratana of Thailand - The 30-year-old presented her own collection at Paris Fashion Week in 2007. She is often seen on the catwalk of prestigious fashion shows.

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Princess Olympia of Greece - The socialite celebrated her 21st birthday in July 2017 with a huge party attended by Paris and Nicky Hilton and Poppy Delevingne, among others. She has more than 120,000 followers on Instagram.

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Queen Máxima of the Netherlands - The queen consort often appears at United Nations conferences and has publicly defended LGBT rights. She is 46-years-old and married to King Willem-Alexander, with whom she has three children. She became queen of the Netherlands in 2013.

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Sophie, Countess of Wessex - In 1999, she married Prince Edward, brother of Prince Charles. Together they have two children. She is 52 and a favorite with British fashion stylists.

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Queen Jetsun Pema of Bhutan - Nicknamed the Kate Middleton of the Himalayas, the 27-year-old is currently the youngest queen in the world. She married Jigme Khesar Namgyel Wangchuck in 2011.

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Prince Philippos of Greece and Denmark - The 31-year-old brother of Princess Theodora is the youngest son of Constantine II, the last Greek monarch, whose reign ended in 1973.

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Princess Masako of Japan - In 1992, Princess Masako left a career as a diplomat to marry Naruhito, the Crown Prince of Japan. He had to propose three times before she said yes.

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Hamdan bin Mohammed Al Maktoum of Dubai - Also known as Fazza, the Crown Prince of Dubai has approximately 6 million followers on Instagram, where he shares his lavish lifestyle.

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Princess Alexandra of Luxembourg - The 26-year-old is fifth in line to the throne of Luxembourg. She loves travelling and playing sports.

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Princess Elisabeth von Thurn und Taxis - Since 2012, the German royal has been the style editor-at-large for Vogue magazine. She's 35 and known by the nickname TNT.

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