The bride stunned in a gorgeous gown by a British-based designer.
The Duke of Edinburgh retired from public life last fall.
Fergie already attended the royal wedding of Prince Harry and Meghan Markle in Windsor, England, in May.
The Duke and Duchess of Sussex return to the site of their own royal wedding five months later.
The couple’s eldest children, Prince George and Princess Charlotte, are part of the wedding party.
The Duchess of Cornwall will not be in Windsor, England, on Friday.
ET breaks down the Duchess of York's rocky relationship with the royal family.
Their first royal trip since tying the knot kicks off next week!
The couple will say 'I do' on Friday, Oct. 12.
The bride-to-be is tying the knot with Jack Brooksbank on Friday in Windsor, England.
The Duchess of Cambridge attends her second solo event since returning from maternity leave.
Samantha Markle dropped by the Palace uninvited on Monday.
The cannabis entrepreneur will be joining aristocrats and heirs from around the world (mostly the U.K.) for a new regal reality series.
ET breaks down everything you need to know before the royal ties the knot to Jack Brooksbank on Oct.12.
