Prince Harry And Prince William Meet The Public In Windsor on May 18, 2018

Britain's Prince Harry greets well-wishers on the street outside Windsor Castle in Windsor on May 18, 2018, the eve of Britain's Prince Harry's royal wedding to US actress Meghan Markle.

Britain's Prince Harry carries a teddy bear he was given as he greets well-wishers on the street outside Windsor Castle in Windsor on May 18, 2018, the eve of Prince Harry's royal wedding to US actress Meghan Markle.

Britain's Prince Harry (R) and his best man Prince William, Duke of Cambridge, (L) arrive to greet well-wishers on the street outside Windsor Castle in Windsor on May 18, 2018, the eve of Prince Harry's royal wedding to US actress Meghan Markle.

Britain's Prince Harry (R) and his best man Prince William, Duke of Cambridge, (L) arrive to greet well-wishers on the street outside Windsor Castle in Windsor on May 18, 2018, the eve of Prince Harry's royal wedding to US actress Meghan Markle.

Prince Harry greets members of the public as he embarks on a walkabout ahead of the royal wedding of Prince Harry and Meghan Markle on May 18, 2018, in Windsor, England.

Prince Harry greets members of the public as he embarks on a walkabout ahead of his royal wedding to Meghan Markle on May 18, 2018, in Windsor, England.

Prince Harry greets members of the public as he embarks on a walkabout ahead of his royal wedding to Meghan Markle on May 18, 2018, in Windsor, England.

Prince Harry meets the public during a walkabout in Windsor on the eve of the wedding at Windsor Castle on May 18, 2018, in Windsor, England.

Prince Harry meets the public during a walkabout in Windsor on the eve of the wedding at Windsor Castle on May 18, 2018, in Windsor, England.

Prince Harry meets the public during a walkabout in Windsor on the eve of the wedding at Windsor Castle on May 18, 2018, in Windsor, England.

Britain's Prince Harry greets well-wishers on the street outside Windsor Castle in Windsor on May 18, 2018, on the eve of Prince Harry's royal wedding to US actress Meghan Markle. - Britain's Prince Harry and US actress Meghan Markle will marry on May 19 at St George's Chapel in Windsor Castle.

(L-R) Prince Harry and Prince William, Duke of Cambridge embark on a walkabout on the eve of the royal wedding on May 18, 2018, in Windsor, England.

Britain's Prince Harry carries a teddy bear he was given as he greets well-wishers on the street outside Windsor Castle in Windsor on May 18, 2018, the eve of Prince Harry's royal wedding to US actress Meghan Markle.

(L) Prince Harry holds a soft toy given to him during a walkabout in Windsor with Prince William, Duke of Cambridge as they met members of the public ahead of his wedding to Meghan Markle this weekend.

Prince Harry during a walkabout in Windsor ahead of his wedding to Meghan Markle this weekend to meet members of the public.

Prince Harry during a walkabout in Windsor ahead of his wedding to Meghan Markle this weekend to meet members of the public.

Prince Harry meets the public during a walkabout in Windsor on the eve of the wedding at Windsor Castle on May 18, 2018, in Windsor, England.

Prince Harry meets the public during a walkabout in Windsor on the eve of the wedding at Windsor Castle on May 18, 2018, in Windsor, England.

Prince Harry holds a soft toy given to him during a walkabout with his brother Prince William, Duke of Cambridge in Windsor as he met members of the public ahead of his wedding to Meghan Markle this weekend.

(L-R) Prince Harry and Prince William, Duke of Cambridge embark on a walkabout ahead of the royal wedding2018 in Windsor, England.

Prince Harry greets members of the public as he embarks on a walkabout ahead of his royal wedding to Meghan Markle on May 18, 2018, in Windsor, England.

Prince Harry greets members of the public as he embarks on a walkabout ahead of his royal wedding to Meghan Markle on May 18, 2018, in Windsor, England.

Prince Harry meets the public ahead of his royal wedding to Meghan Markle on May 18, 2018, in Windsor, England.

Prince Harry meets the public ahead of his royal wedding to Meghan Markle on May 18, 2018, in Windsor, England.

(L-R) Prince Harry and Prince William, Duke of Cambridge meet the public on the eve of the royal wedding at Windsor Castle on May 18, 2018, in Windsor, England.

Prince Harry meets the public during a walkabout on the eve of his wedding at Windsor Castle on May 18, 2018.

(L-R) Prince Harry and Prince William, Duke of Cambridge meet the public ahead of the royal wedding of Prince Harry and Meghan Markle on May 18, 2018, in Windsor, England.

(L-R) Prince Harry and Prince William, Duke of Cambridge meet the public ahead of the royal wedding of Prince Harry and Meghan Markle on May 18, 2018, in Windsor, England.

Prince Harry meets the public ahead of his royal wedding to Meghan Markle on May 18, 2018, in Windsor, England.

Prince Harry and Prince William, Duke of Cambridge meet the public in Windsor on the eve of the royal wedding at Windsor Castle on May 18, 2018, in Windsor, England.

(L-R) Prince Harry and Prince William, Duke of Cambridge meet the public in Windsor on the eve of the royal wedding at Windsor Castle on May 18, 2018, in Windsor, England.

(R-L) Prince Harry and Prince William, Duke of Cambridge meet the public in Windsor on the eve of the royal wedding at Windsor Castle on May 18, 2018, in Windsor, England.

Prince William, Duke of Cambridge meets the public in Windsor on the eve of the royal wedding at Windsor Castle on May 18, 2018, in Windsor, England.

Prince Harry meets the public in Windsor on the eve of his royal wedding at Windsor Castle on May 18, 2018, in Windsor, England.

Prince Harry meets the public in Windsor on the eve of his royal wedding at Windsor Castle on May 18, 2018, in Windsor, England.

Prince Harry greets members of the public as he embarks on a walkabout ahead of his royal wedding to Meghan Markle on May 18, 2018, in Windsor, England.

(L-R) Prince Harry and Prince William meet the public in Windsor on the eve of the royal wedding at Windsor Castle on May 18, 2018, in Windsor, England.

(L-R) Prince Harry and Prince William meet the public in Windsor on the eve of the royal wedding at Windsor Castle on May 18, 2018, in Windsor, England.

Britain's Prince Harry (L) and his best man Prince William, Duke of Cambridge (C), greet well-wishers on the street outside Windsor Castle in Windsor on May 18, 2018, the eve of Prince Harry's royal wedding to US actress Meghan Markle. - Britain's Prince Harry and US actress Meghan Markle will marry on May 19 at St George's Chapel in Windsor Castle.

US actress and fiancee of Britain's Prince Harry Meghan Markle (L) arrives with her mother Doria Ragland at Cliveden House hotel in the village of Taplow near Windsor on May 18, 2018, the eve of her wedding to Britain's Prince Harry.

US actress and fiancee of Britain's Prince Harry Meghan Markle (L) arrives with her mother Doria Ragland at Cliveden House hotel in the village of Taplow near Windsor on May 18, 2018, the eve of her wedding to Britain's Prince Harry. - Britain's Prince Harry and US actress Meghan Markle will marry on May 19 at St George's Chapel in Windsor Castle.

US actress and fiancee of Britain's Prince Harry Meghan Markle arrives with her mother Doria Ragland (not pictured) at Cliveden House hotel in the village of Taplow near Windsor on May 18, 2018, the eve of her wedding to Britain's Prince Harry.

US actress and fiancee of Britain's Prince Harry Meghan Markle arrives with her mother Doria Ragland (not pictured) at Cliveden House hotel in the village of Taplow near Windsor on May 18, 2018, the eve of her wedding to Britain's Prince Harry.

US actress and fiancee of Britain's Prince Harry Meghan Markle (L) arrives with her mother Doria Ragland at Cliveden House hotel in the village of Taplow near Windsor on May 18, 2018, the eve of her wedding to Britain's Prince Harry. - Britain's Prince Harry and US actress Meghan Markle will marry on May 19 at St George's Chapel in Windsor Castle.

US actress and fiancee of Britain's Prince Harry Meghan Markle arrives with her mother Doria Ragland (not pictured) at Cliveden House hotel in the village of Taplow near Windsor on May 18, 2018, the eve of her wedding to Britain's Prince Harry.

(L-R) Meghan Markle and her mother, Doria Ragland arrive at Cliveden House Hotel on the National Trust's Cliveden Estate to spend the night before her wedding to Prince Harry on May 18, 2018 in Berkshire, England.

Meghan Markle and her mother, Doria Ragland arrive at Cliveden House Hotel on the National Trust's Cliveden Estate to spend the night before her wedding to Prince Harry on May 18, 2018 in Berkshire, England.

Meghan Markle and her mother, Doria Ragland arrive at Cliveden House Hotel on the National Trust's Cliveden Estate to spend the night before her wedding to Prince Harry on May 18, 2018 in Berkshire, England.

 (R-L) Prince William, Duke of Cambridge and Prince Harry return to Windsor Castle following a walkabout ahead of the royal wedding of Prince Harry and Meghan Markle on May 18, 2018 in Windsor, England.