LONDON, ENGLAND - MARCH 13: Queen Elizabeth II holds the Commonwealth baton during the launch of The Queen's Baton Relay for the XXI Commonwealth Games being held on the Gold Coast in 2018 at Buckingham Palace on March 13, 2017 in London, England. (Photo by Samir Hussein/Samir Hussein/WireImage)

LONDON, ENGLAND - MARCH 13:  Queen Elizabeth II holds the Commonwealth baton during the launch of The Queen's Baton Relay for the XXI Commonwealth Games being held on the Gold Coast in 2018 at Buckingham Palace on March 13, 2017 in London, England.  (Photo by Samir Hussein/Samir Hussein/WireImage)

LONDON, UNITED KINGDOM - MARCH 13: Queen Elizabeth II places her message into the relay baton which is held by Louise Martin, the President of the Commonwealth Games Federation, during the launch of The Queen's Baton Relay for the XXI Commonwealth Games being held on the Gold Coast in 2018 at Buckingham Palace on March 13, 2017 in London, United Kingdom. (Photo by John Stillwell - WPA Pool/Getty Images)

LONDON, UNITED KINGDOM - MARCH 13:  Queen Elizabeth II places her message into the relay baton which is held by Louise Martin, the President of the Commonwealth Games Federation, during the launch of The Queen's Baton Relay for the XXI Commonwealth Games being held on the Gold Coast in 2018 at Buckingham Palace on March 13, 2017 in London, United Kingdom. (Photo by John Stillwell - WPA Pool/Getty Images)

LONDON, ENGLAND - MARCH 13: Anna Meares carries the Commonwealth baton as Queen Elizabeth II, Prince Philip, Duke of Edinburgh and Prince Edward, Earl of Wessex look on during the launch of The Queen's Baton Relay for the XXI Commonwealth Games being held on the Gold Coast in 2018 at Buckingham Palace on March 13, 2017 in London, England. (Photo by Samir Hussein/Samir Hussein/WireImage)

LONDON, ENGLAND - MARCH 13:  Anna Meares carries the Commonwealth baton as Queen Elizabeth II, Prince Philip, Duke of Edinburgh and Prince Edward, Earl of Wessex look on during the launch of The Queen's Baton Relay for the XXI Commonwealth Games being held on the Gold Coast in 2018 at Buckingham Palace on March 13, 2017 in London, England.  (Photo by Samir Hussein/Samir Hussein/WireImage)

Britain's Queen Elizabeth II arrives to attend a Commonwealth Day Service at Westminster Abbey in central London, on March 13, 2017. Queen Elizabeth II has been Head of the Commonwealth throughout her reign. Organised by the Royal Commonwealth Society, the Service is the largest annual inter-faith gathering in the United Kingdom. / AFP PHOTO / Daniel LEAL-OLIVAS (Photo credit should read DANIEL LEAL-OLIVAS/AFP/Getty Images)

Britain's Queen Elizabeth II arrives to attend a Commonwealth Day Service at Westminster Abbey in central London, on March 13, 2017.
Queen Elizabeth II has been Head of the Commonwealth throughout her reign. Organised by the Royal Commonwealth Society, the Service is the largest annual inter-faith gathering in the United Kingdom. / AFP PHOTO / Daniel LEAL-OLIVAS        (Photo credit should read DANIEL LEAL-OLIVAS/AFP/Getty Images)

Britain's Queen Elizabeth II (L) walks with John Hall, the Dean of Westminster (C), as she arrives to attend a Commonwealth Day Service at Westminster Abbey in central London, on March 13, 2017. Queen Elizabeth II has been Head of the Commonwealth throughout her reign. Organised by the Royal Commonwealth Society, the Service is the largest annual inter-faith gathering in the United Kingdom. / AFP PHOTO / POOL / Ben STANSALL (Photo credit should read BEN STANSALL/AFP/Getty Images)

Britain's Queen Elizabeth II (L) walks with John Hall, the Dean of Westminster (C), as she arrives to attend a Commonwealth Day Service at Westminster Abbey in central London, on March 13, 2017.
Queen Elizabeth II has been Head of the Commonwealth throughout her reign. Organised by the Royal Commonwealth Society, the Service is the largest annual inter-faith gathering in the United Kingdom. / AFP PHOTO / POOL / Ben STANSALL        (Photo credit should read BEN STANSALL/AFP/Getty Images)