The royal family are strictly adhering to UK Covid-19 protocols. As such, the Queen is seated alone to follow current restrictions.
All guests who are not members of the same household must sit around 2 meters apart.
The Queen and the late Prince Philip had been in a bubble with some members of their household for the last year and so she is not eligible to join a support bubble with other members of her family.
The Duke of Sussex and Duke of Cambridge are sitting opposite one another in St. George’s Chapel, William is sat beside his wife Catherine, the Duchess of Cambridge. Prince Harry also sits alone.