Duke Of Edinburgh Award Gala Evening at Stoke Park on June 9, 2016 in Buckinghamshire, England.

Prince Edward, Earl of Wessex and Sophie, Countess of Wessex attend a Gala Evening marking the 60th anniversary of The Duke of Edinburgh's Award at Stoke Park on June 9, 2016 in Buckinghamshire, England.

(L) Sophie, Countess of Wessex and Joanna Lumley attend a Gala Evening marking the 60th anniversary of The Duke of Edinburgh's Award at Stoke Park on June 9, 2016 in Buckinghamshire, England.

Prince Phillip, the Duke of Edinburgh attends a Gala Evening marking the 60th anniversary of The Duke of Edinburgh's Award at Stoke Park on June 9, 2016 in Buckinghamshire, England.

Prince Phillip, the Duke of Edinburgh attends a Gala Evening marking the 60th anniversary of The Duke of Edinburgh's Award at Stoke Park on June 9, 2016 in Buckinghamshire, England.

Prince Phillip, the Duke of Edinburgh and Dame Judi Dench attend a Gala Evening marking the 60th anniversary of The Duke of Edinburgh's Award at Stoke Park on June 9, 2016 in Buckinghamshire, England

(R-L) Prince Phillip, the Duke of Edinburgh, Sophie, Countess of Wessex and Prince Edward, Earl of Wessex attend a Gala Evening marking the 60th anniversary of The Duke of Edinburgh's Award at Stoke Park on June 9, 2016 in Buckinghamshire, England.

(L) Sophie, Countess of Wessex and talks with Dame Judi Dench and her partner David Mills attend a Gala Evening marking the 60th anniversary of The Duke of Edinburgh's Award at Stoke Park on June 9, 2016 in Buckinghamshire, England.

Prince Edward, Earl of Wessex (left) talks with Dame Judi Dench attend a Gala Evening marking the 60th anniversary of The Duke of Edinburgh's Award at Stoke Park on June 9, 2016 in Buckinghamshire, England. 

L to R) Jane Seymour, Prince Edward, Earl of Wessex, and Joanna Lumley attend the Duke of Edinburgh Award 60th Anniversary Diamonds are Forever Gala at Stoke Park on June 9, 2016 in London, England.

Prince Edward, Earl of Wessex, attends the Duke of Edinburgh Award 60th Anniversary Diamonds are Forever Gala at Stoke Park on June 9, 2016 in London, England. 

Prince Edward, Earl of Wessex, and Joanna Lumley attend the Duke of Edinburgh Award 60th Anniversary Diamonds are Forever Gala at Stoke Park on June 9, 2016 in London, England. 

David Walliams (L) and Sophie, Countess of Wessex attend the Duke of Edinburgh Award 60th Anniversary Diamonds are Forever Gala at Stoke Park on June 9, 2016 in London, England.

(L to R) Prince Edward, Earl of Wessex, Jane Seymour and Joanna Lumley attend the Duke of Edinburgh Award 60th Anniversary Diamonds are Forever Gala at Stoke Park on June 9, 2016 in London, England.

 Joanna Lumley (L) and Prince Edward, Earl of Wessex, attend the Duke of Edinburgh Award 60th Anniversary Diamonds are Forever Gala at Stoke Park on June 9, 2016 in London, England.

avid Walliams (L) and Sophie, Countess of Wessex attend the Duke of Edinburgh Award 60th Anniversary Diamonds are Forever Gala at Stoke Park on June 9, 2016 in London, England.

Sophie, Countess of Wessex, and Barbara Broccoli attend the Duke of Edinburgh Award 60th Anniversary Diamonds are Forever Gala at Stoke Park on June 9, 2016 in London, England. 

Sophie, Countess of Wessex, and David Walliams attend the Duke of Edinburgh Award 60th Anniversary Diamonds are Forever Gala at Stoke Park on June 9, 2016 in London, England.

(L to R) Prince Edward, Earl of Wessex, David Mills, Dame Judi Dench, Samantha Bond, Jane Seymour and David Jones attend the Duke of Edinburgh Award 60th Anniversary Diamonds are Forever Gala at Stoke Park on June 9, 2016 in London, England.

Sophie, Countess of Wessex, and Barbara Broccoli (R) attend the Duke of Edinburgh Award 60th Anniversary Diamonds are Forever Gala at Stoke Park on June 9, 2016 in London, England. 

 (L to R) Prince Edward, Earl of Wessex, Caterina Murino and David Walliams attend the Duke of Edinburgh Award 60th Anniversary Diamonds are Forever Gala at Stoke Park on June 9, 2016 in London, England. 

(L to R) Afua Hirsch, Prince Edward, Earl of Wessex, and Naomie Harris attends the Duke of Edinburgh Award 60th Anniversary Diamonds are Forever Gala at Stoke Park on June 9, 2016 in London, England.

 (L to R) Guest, Naomie Harris and Sophie, Countess of Wessex, attend the Duke of Edinburgh Award 60th Anniversary Diamonds are Forever Gala at Stoke Park on June 9, 2016 in London, England.

Sophie, Countess of Wessex, and Jane Seymour attend the Duke of Edinburgh Award 60th Anniversary Diamonds are Forever Gala at Stoke Park on June 9, 2016 in London, England.

Prince Philip, Duke of Edinburgh, and David Walliams attend the Duke of Edinburgh Award 60th Anniversary Diamonds are Forever Gala at Stoke Park on June 9, 2016 in London, England. 

 (L to R) Sophie, Countess of Wessex, Fiona Hawthorne and Colin Salmon attend the Duke of Edinburgh Award 60th Anniversary Diamonds are Forever Gala at Stoke Park on June 9, 2016 in London, England. 

 Prince Edward, Earl of Wessex, and Naomie Harris attend the Duke of Edinburgh Award 60th Anniversary Diamonds are Forever Gala at Stoke Park on June 9, 2016 in London, England.

 Prince Philip, Duke of Edinburgh, and Jenny Hanley attend the Duke of Edinburgh Award 60th Anniversary Diamonds are Forever Gala at Stoke Park on June 9, 2016 in Guildford, England.