This was King Charles III and Queen Camilla's entrance to the Sistine Chapel, where they participated in an ecumenical service and prayed with Pope Leo XIV.
Notably, Queen Camilla donned the traditional black garb with a black veil to match, in line with Vatican protocol and tradition.
Pope Leo himself wore the traditional red and golden mozzetta and entered after King Charles and Queen Camilla.
The choirs of the the Sistine Chapel, His Majesty’s Chapel Royal, and St. George’s Chapel, Windsor sang together, as the Pope and the Anglican Archbishop of York presided over the ceremony.
The United Kingdom's Foreign Secretary, Yvette Cooper, read from Romans 8 on hope, prayer, and creation.
YVETTE COOPER
But if we hope for that we see not, then do we with patience wait for it. Likewise the Spirit also helpeth our infirmities: for we know not what we should pray for as we ought: but the Spirit itself maketh intercession for us with groanings which cannot be uttered.
The ecumenical service also contained Latin chants and English prayers like the Our Father that the Pope and King Charles prayed together.
The service closed out with a prayer and blessing by Pope Leo XIV.
NATS (Pope Leo Praying) 53:51 – 54:12
Pope Leo XIV and King Charles exited the Sistine Chapel together, talking quietly to each other. This is the first time in 500 years that the two Christian leaders have publicly prayed together, since King Henry VIII broke from Rome in 1534.
CRT