The Māori King presented King Charles III with four gifts when the pair met at Buckingham Palace this morning.
Kiingi Tūheitia and his wife Makau Ariki Atawhai had a private audience with the King ahead of his coronation at Westminster Abbey - which takes place tonight New Zealand time.
A statement on the Kiingitanga Facebook page said "the two Kings greeted eachother with mutual respect and aroha".
"They shared again in the bonds of friendship," the statement said.
Kiingi Tūheitia presented four gifts on behalf of the iwi of the Kiingitanga, including two Kingitanga honours, a tartan and and a mere pounamu.
King Charles was given the Order of King Pootatau Te Wherowhero in the Supreme Class, which is the highest honour in the Kiingitanga Royal Orders and is reserved exclusively for Monarchs.
For Queen Camilla, the Order of Queen Te Arikinui Te Atairangikaahu in the First Class was presented.
Kiingi Tūheitia created the Māori honours system in 2014 as way to celeberbrate the efforts of maori
The tartan is called the Te Wherowhero tartan and was designed to pay homage to the first māori King, Pōtatau Te Wherowhero.
According to the Scottish register of tartans, the blue and gold colours represent the colours of the Kiingitanga and the gold stripes represent the seven waka that carried Māori to New Zealand.
Kiingi Tuheitia will attend the Coronation service at Westminster Abbey.
He and his will wll also attend a private function hosted by King Charles at Windsor Castle and will join the Royal Family in the Royal Box for the Coronation Concert.
The Coronation Of Their Majesties will be broadcast live on Three from 7pm tonight.
