It is not known whether Princess Eugenie and husband Jack Brooksbank attended the wedding.
Weddings of up to 30 people can take place under current UK government guidelines.
Beatrice and Edoardo's decision to cancel their wedding was announced in April of this year. A spokesperson for the couple told 
Beatrice and 37-year-old Edoardo became engaged last September during a break in Italy.
"We are extremely happy to be able to share the news of our recent engagement. We are both so excited to be embarking on this life adventure together, and can't wait to be married," they said at the time.
"We share so many similar interests and values and we know this will stand us in great stead for the years ahead, full of love and happiness."
