British Royal Attend a Miles Frost Memorial Service at Arundel Cathedral on February 5, 2016 in Arundel, England.

(L-R) Princess Eugenie, Princess Beatrice and Sarah Ferguson, Duchess of York attend a memorial service for Miles Frost at Arundel Cathedral on February 5, 2016 in Arundel, England. Miles Frost, son of the late Sir David Frost, died aged 31 in July 2015.

(L-R) Princess Eugenie, Princess Beatrice and Sarah Ferguson, Duchess of York attend a memorial service for Miles Frost at Arundel Cathedral on February 5, 2016 in Arundel, England. Miles Frost, son of the late Sir David Frost, died aged 31 in July 2015. 

(L) Princess Beatrice embraces Lady Carina Frost as they attend a memorial service for Miles Frost at Arundel Cathedral on February 5, 2016 in Arundel, England. 

Sarah Ferguson, Duchess of York (L) and Princess Eugenie (R) look on as Princess Beatrice embraces Lady Carina Frost at a memorial service for Miles Frost at Arundel Cathedral on February 5, 2016 in Arundel, England. Miles Frost, son of the late Sir David Frost, died aged 31 in July 2015.

 Princess Beatrice attends a memorial service for Miles Frost at Arundel Cathedral on February 5, 2016 in Arundel, England.



 Princess Beatrice attends a memorial service for Miles Frost at Arundel Cathedral on February 5, 2016 in Arundel, England. Miles Frost, son of the late Sir David Frost, died aged 31 in July 2015.

Princess Beatrice attends a memorial service for Miles Frost at Arundel Cathedral on February 5, 2016 in Arundel, England.

Princess Beatrice attends a memorial service for Miles Frost at Arundel Cathedral on February 5, 2016 in Arundel, England. 

Princess Eugenie, Princess Beatrice and Sarah Ferguson, Duchess of York attend a memorial service for Miles Frost at Arundel Cathedral on February 5, 2016 in Arundel, England. Miles Frost, son of the late Sir David Frost, died aged 31 in July 2015.

Princess Eugenie, Princess Beatrice and Sarah Ferguson, Duchess of York attend a memorial service for Miles Frost at Arundel Cathedral on February 5, 2016 in Arundel, England.

(L) Princess Beatrice embraces Lady Carina Frost as they attend a memorial service for Miles Frost at Arundel Cathedral on February 5, 2016 in Arundel, England.

Princess Beatrice and Sarah Ferguson, Duchess of York attend a memorial service for Miles Frost at Arundel Cathedral on February 5, 2016 in Arundel, England.

(L-R) Princess Eugenie, Princess Beatrice and Sarah Ferguson, Duchess of York attend a memorial service for Miles Frost at Arundel Cathedral on February 5, 2016 in Arundel, England.

 Princess Eugenie, Princess Beatrice and Sarah Ferguson, Duchess of York attend a memorial service for Miles Frost at Arundel Cathedral on February 5, 2016 in Arundel, England. Miles Frost, son of the late Sir David Frost, died aged 31 in July 2015.

 Cressida Bonas attends a memorial service for Miles Frost at Arundel Cathedral on February 5, 2016 in Arundel, England.

Sarah Ferguson, Duchess of York attends a memorial service for Miles Frost at Arundel Cathedral on February 5, 2016 in Arundel, England.

Sarah Ferguson, Duchess of York embraces Cressida Bonas as they attend a memorial service for Miles Frost at Arundel Cathedral on February 5, 2016 in Arundel, England. 

Sarah Ferguson, Duchess of York embraces Jack Brooksbank as they attend a memorial service for Miles Frost at Arundel Cathedral on February 5, 2016 in Arundel, England.

Sarah Ferguson, Duchess of York attends a memorial service for Miles Frost at Arundel Cathedral on February 5, 2016 in Arundel, England.

Sarah Ferguson, Duchess of York attends a memorial service for Miles Frost at Arundel Cathedral on February 5, 2016 in Arundel, England. 

Sarah Ferguson, Duchess of York attends a memorial service for Miles Frost at Arundel Cathedral on February 5, 2016 in Arundel, England.

George Percy attends a memorial service for Miles Frost at Arundel Cathedral on February 5, 2016 in Arundel, England.

 James Meade and Lady Laura Meade attend a memorial service for Miles Frost at Arundel Cathedral on February 5, 2016 in Arundel, England.

 Wilfred Frost, Lady Carina Frost and George Frost attend a memorial service for Miles Frost at Arundel Cathedral on February 5, 2016 in Arundel, England. Miles Frost, son of the late Sir David Frost, died aged 31 in July 2015. 

Lady Annabel Goldsmith attends a memorial service for Miles Frost at Arundel Cathedral on February 5, 2016 in Arundel, England. Miles Frost, son of the late Sir David Frost, died aged 31 in July 2015.

 Liam Neeson attends a memorial service for Miles Frost at Arundel Cathedral on February 5, 2016 in Arundel, England.

Lady Carina Frost attends a memorial service for Miles Frost at Arundel Cathedral on February 5, 2016 in Arundel, England.

Sarah Ferguson, Duchess of York (L) and Princess Eugenie (R) look on as Princess Beatrice embraces Lady Carina Frost at a memorial service for Miles Frost at Arundel Cathedral on February 5, 2016 in Arundel, England.