Harry and Meghan joined the Queen on Sunday to church for service.
The trio were spotted driving to The Royal Chapel of All Saints in Windsor, close to their UK home, Frogmore Cottage.
The Duke and Duchess of Sussex have been on their final rounds of duties before resigning from being senior members of the royal family.
The couple attended the Mountbatten Festival of Music at the Royal Albert Hall on Saturday evening where the Royal Marines showcased their incredible musicianship and pageantry and featured a wide range of musical styles, including music from the big screen and superb solo items.
This was after they both attended the annual Endeavour Fund Awards at Mansion House and today will be at the Commonwealth service at Westminster Abbey with other senior members of the royal family.
