As the countdown to King Charles' Coronation continues, members of the Royal Family will be readying themselves for the grand festivities and celebrations.There are only a handful of senior royals who will remember attending the last Coronation in 1953, which means that the sheer scale of the event will be new for everyone. While this is the case, there is one member of the Royal Family who took part in another Coronation when she took on a starring role in a Hollywood blockbuster.