Mia Tindall and Savannah Phillips were joined at the prestigious occasion, held at the Princess Royal's British estate, by their grandmother Princess Anne, 72, and Mia's mother Zara Tindall, 42.
Peter Phillips and Savannah Phillips on a merry-go-round at the Royal Windsor Horse show in the private grounds of Windsor Castle on May 16, 2015 in Windsor, England.
My kinda girl.
Succession to the crown is dictated, first and foremost, by birth order on the royal family tree—although that wasn't always the case
Prince Philip's great-granchildren Savannah and Isla Phillips provided some much-needed light relief today as the siblings larked about in the pews while waiting for the service to begin.
Peter and Autumn Phillips' daughter celebrated her birthday on Dec. 29.
Savannah Phillips plays on a climbing wall as she, accompanied by her parents Peter and Autumn Phillips, attends day 4 of the Royal Windsor Horse Show in Home Park on May 13, 2017 in Windsor, England.