Britain's Princess Anne curtseys the coffin of Queen Elizabeth II, draped with the Royal Standard of Scotland, as it arrives at Holyroodhouse, in Edinburgh, Scotland, Britain September 11, 2022. Aaron Chown/Pool via REUTERS 

The Princess Royal curtseys the coffin of Queen Elizabeth II, draped with the Royal Standard of Scotland, as it arrives at Holyroodhouse, where it will lie in rest for a day, in Edinburgh, Scotland, Britain September 11, 2022. Aaron Chown/Pool via REUTERS 

Women curtsey in front of bowing men at the end of a dance during a rehearsal for the traditional Opera Ball in Vienna, February 23, 2014. Picture taken February 23, 2014. REUTERS/Heinz-Peter Bader 

Girls curtsey as Britain's Queen Elizabeth and prince Philip leave the Easter Sunday service in Windsor Castle, in Windsor, April 16, 2017. REUTERS/Peter Nicholls 

Girls curtsey as Britain's Queen Elizabeth and prince Philip leave the Easter Sunday service in Windsor Castle, in Windsor, April 16, 2017. REUTERS/Peter Nicholls 

Girls curtsey as Britain's Queen Elizabeth and prince Philip leave the Easter Sunday service in Windsor Castle, in Windsor, April 16, 2017. REUTERS/Peter Nicholls 

Britain's Prime Minister Theresa May curtseys as she greets Queen Elizabeth, alongside, Foreign Secretary Boris Johnson and Home Secretary Amber Rudd during a ceremonial welcome at Horse Guards Parade for Colombia's President Juan Manuel Santos and his wife Maria Clemencia de Santos, in central London, Britain November 1, 2016. The President is on a state visit to Britain. REUTERS/Stefan Wermuth 

International Monetary Fund (IMF) Managing Director Christine Lagarde (L) curtsies to Japan's Finance Minister Koriki Jojima (front R) as she enters a venue for a family photo session at the annual meetings of the IMF and the World Bank Group in Tokyo October 12, 2012. REUTERS/Yuriko Nakao (JAPAN - Tags: BUSINESS POLITICS TPX IMAGES OF THE DAY) 

Thailand's Prime Minister Yingluck Shinawatra does a curtsey as Japan's Emperor Akihito (front R) bids farewell after a tea party for leaders of the Mekong delta nations at the Imperial Palace in Tokyo April 20, 2012. Leaders of the five Mekong delta nations, Vietnam, Laos, Cambodia, Thailand and Myanmar are in Japan to attend a summit meeting with Japan's Prime Minister Yoshihiko Noda on Saturday. REUTERS/Toru Yamanaka/Pool (JAPAN - Tags: ENTERTAINMENT POLITICS ROYALS) 

Serafina Belafonte (C), the daughter of Halpern Lisa Resling (L), president of the Danish American society, curtseys to Denmark's Queen Margrethe II at the Danish American Society Gala at the American Museum of Natural History June 9, 2011. REUTERS/Allison Joyce (UNITED STATES - Tags: ROYALS SOCIETY) 

Maude Fisher, 7 sticks out her tongue at her sister Agnes, 7 (R) during a 'Princess Prep' class training afternoon to learn how to be a princess in London April 2, 2011. A dozen girls aged 7 to 11 learned skills needed by princesses, during an afternoon course on poise, grooming tips, tea party etiquette and how to curtsey. Princess Prep is based in the U.S. and is marketing 7 day courses for girls to travel to Britain to study such subjects as the Royal family, etiquette and horse riding. REUTERS/Luke MacGregor (BRITAIN - Tags: ENTERTAINMENT ROYALS SOCIETY) 

Young girls learn deportment by balancing books on their heads as they take part in a 'Princess Prep' class training afternoon in London April 2, 2011. A dozen girls aged 7 to 11 learned skills needed by princesses, during an afternoon course on poise, grooming tips, tea party etiquette and how to curtsey. Princess Prep is based in the U.S. and is marketing 7 day courses for girls to travel to Britain to study such subjects as the Royal family, etiquette and horse riding. REUTERS/Luke MacGregor (BRITAIN - Tags: ENTERTAINMENT ROYALS SOCIETY) 

Maya Callaham, 7, practises her curtsey in front of a cutout of Prince William and Kate Middleton as she takes part in a 'Princess Prep' class training afternoon to learn how to be a princess in London April 2, 2011. A dozen girls aged 7 to 11 learned skills for an afternoon on poise, grooming tips, tea party etiquette and how to curtsey. Princess Prep is based in the U.S. and is marketing 7 day courses for girls to travel to Britain to study such subjects as the Royal family, etiquette and horse riding. REUTERS/Luke MacGregor (BRITAIN - Tags: ENTERTAINMENT ROYALS SOCIETY) 

Vivienne Bartels, 7, shows off costume jewelry while taking tea during a 'Princess Prep' class training afternoon to learn how to be a princess in London April 2, 2011. A dozen girls aged 7 to 11 learned skills for an afternoon on poise, grooming tips, tea party etiquette and how to curtsey. Princess Prep is based in the U.S. and is marketing 7 day courses for girls to travel to Britain to study such subjects as the Royal family, etiquette and horse riding. REUTERS/Luke MacGregor (BRITAIN - Tags: ENTERTAINMENT ROYALS SOCIETY) 

Young girls learn deportment by balancing books on their heads as they take part in a 'Princess Prep' class training afternoon in London April 2, 2011. A dozen girls aged 7 to 11 learned skills needed by princesses, during an afternoon course on poise, grooming tips, tea party etiquette and how to curtsey. Princess Prep is based in the U.S. and is marketing 7 day courses for girls to travel to Britain to study such subjects as the Royal family, etiquette and horse riding. REUTERS/Luke MacGregor (BRITAIN - Tags: ENTERTAINMENT ROYALS SOCIETY) 

Young girls drink tea during a 'Princess Prep' class training afternoon to learn how to be a princess in London April 2, 2011. A dozen girls aged 7 to 11 learned skills for an afternoon on poise, grooming tips, tea party etiquette and how to curtsey. Princess Prep is based in the U.S. and is marketing 7 day courses for girls to travel to Britain to study such subjects as the Royal family, etiquette and horse riding. REUTERS/Luke MacGregor (BRITAIN - Tags: ENTERTAINMENT ROYALS SOCIETY) 

Agnes Fisher, 7, struggles with her tiara when she takes part in a 'Princess Prep' class training afternoon to learn how to be a Princess in London April 2, 2011. A dozen girls aged 7 to 11 learned skills for an afternoon on poise, grooming tips, tea party etiquette and how to curtsey. Princess Prep is based in the U.S. and is marketing 7 day courses for girls to travel to Britain to study such subjects as the Royal family, etiquette and horse riding. REUTERS/Luke MacGregor (BRITAIN - Tags: ENTERTAINMENT ROYALS SOCIETY) 

Young girls take tea during a 'Princess Prep' class training afternoon to learn how to be a princess in London April 2, 2011. A dozen girls aged 7 to 11 learned skills for an afternoon on poise, grooming tips, tea party etiquette and how to curtsey. Princess Prep is based in the U.S. and is marketing 7 day courses for girls to travel to Britain to study such subjects as the Royal family, etiquette and horse riding. REUTERS/Luke MacGregor (BRITAIN - Tags: ENTERTAINMENT ROYALS SOCIETY) 

Josephine Shaw, 7, reads the Princess Handbook she takes part in a 'Princess Prep' class training afternoon to learn how to be a princess in London April 2, 2011. A dozen girls aged 7 to 11 learned skills for an afternoon on poise, grooming tips, tea party etiquette and how to curtsey. Princess Prep is based in the U.S. and is marketing 7 day courses for girls to travel to Britain to study such subjects as the Royal family, etiquette and horse riding. REUTERS/Luke MacGregor (BRITAIN - Tags: ENTERTAINMENT ROYALS SOCIETY) 

Olivia Sparrow, 7, attends a 'Princess Prep' class training afternoon to learn how to be a Princess in London April 2, 2011. A dozen girls aged 7 to 11 learned skills for an afternoon on poise, grooming tips, tea party etiquette and how to curtsey. Princess Prep is based in the U.S. and is marketing 7 day courses for girls to travel to Britain to study such subjects as the Royal family, etiquette and horse riding. REUTERS/Luke MacGregor (BRITAIN - Tags: ENTERTAINMENT ROYALS SOCIETY) 

Course founder Jerramy Fine (2nd R) watches as young girls learn how to curtsey before a woman wearing a Queen Elizabeth mask, during a 'Princess Prep' training afternoon in London April 2, 2011. A dozen girls aged 7 to 11 learned skills for an afternoon on poise, grooming tips, tea party etiquette and how to curtsey. Princess Prep is based in the U.S. and is marketing 7 day courses for girls to travel to Britain to study such subjects as the Royal family, etiquette and horse riding. REUTERS/Luke MacGregor (BRITAIN - Tags: ENTERTAINMENT ROYALS IMAGES OF THE DAY SOCIETY) 

Course founder Jerramy Fine (R) watches as young girls learn deportment by balancing books on their heads in front of a cutout of Prince William and Kate Middleton, during a 'Princess Prep' training afternoon in London April 2, 2011. A dozen girls aged 7 to 11 learned skills for an afternoon on poise, grooming tips, tea party etiquette and how to curtsey. Princess Prep is based in the U.S. and is marketing 7 day courses for girls to travel to Britain to study such subjects as the Royal family, etiquette and horse riding. REUTERS/Luke MacGregor (BRITAIN - Tags: ENTERTAINMENT ROYALS IMAGES OF THE DAY SOCIETY) 

Young girls learn deportment by balancing books on their heads in front of a cutout of Prince William and Kate Middleton as they take part in a 'Princess Prep' class training afternoon in London April 2, 2011. A dozen girls aged 7 to 11 learned skills for an afternoon on poise, grooming tips, tea party etiquette and how to curtsey. Princess Prep is based in the U.S. and is marketing 7 day courses for girls to travel to Britain to study such subjects as the Royal family, etiquette and horse riding. REUTERS/Luke MacGregor (BRITAIN - Tags: ENTERTAINMENT ROYALS IMAGES OF THE DAY SOCIETY) 

Mao Asada of Japan curtseys at the end of her performance during the Ladies Free Skating program in the Bompard Trophy event at Bercy in Paris November 27, 2010. REUTERS/Gonzalo Fuentes (FRANCE - Tags: SPORT FIGURE SKATING) 

Serena Williams of the U.S. curtseys as she celebrates defeating Russia's Anna Chakvetadze at the 2010 Wimbledon tennis championships in London, June 24, 2010. REUTERS/Phil Noble (BRITAIN - Tags: SPORT TENNIS)

Actor John Travolta (R), dressed in Giorgio Armani, dances during performance of Oscar nominated song "So Close" during the 80th annual Academy Awards, the Oscars, in Hollywood February 24, 2008. REUTERS/Gary Hershorn (UNITED STATES-OSCARS) 

U.S. actress Goldie Hawn reacts at the red carpet as she arrives to the screening of the film 'Elegy' running in the competition at the 58th Berlinale International Film Festival in Berlin February 10, 2008. The 58th Berlinale, one of the world's most prestigious film festivals, will run from February 7 to 17 in the German capital. REUTERS/Fabrizio Bensch (GERMANY) 

Participants receive flowers during a performance during the 2007 "Your Highness Grandmother" pageant in Brooklyn, New York, October 20, 2007. Some 15 grandmothers, virtually all drawn from Brooklyn's close-knit Russian immigrant community of Brighton Beach, sang, danced and even vamped across the stage at a local nightspot as they competed for the pageant's top honors of Ms. Grandmother and Ms. Queen Grandmother 2007. REUTERS/Mike Segar (UNITED STATES) 

Icelandic singer Bjork (C) curtsies for photographers as she arrives with French actress Catherine Deneuve (L Rear) on the red carpet for the official screening of Danish director Lars Von Trier's 'Dancer in the Dark' in Cannes May 17, 2000. Lars von Trier's harrowing melodrama, starring Bjork, won the Golden Palm for best movie at the Cannes Film Festival awards ceremony.

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