The event will end with a new version of the National Anthem, featuring calypso-style drumming and Holland on piano.

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The 55-minute interdenominational service included a rendition of the national anthem by New York police officer Daniel Rodriguez, a performance of Samuel Barber's solemn "Adagio for Strings" and a rendition of "Ave Maria" by operatic tenor Andrea Bocelli.

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The three then held hands on the balcony as the national anthem was played, before the new king and queen's three young daughters were brought out to wave at the crowds.

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He added that singing the national anthem or making the sign of the cross would not be illegal under the new law if there was no aggravating behaviour.

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