Watch: Jacinda Ardern gives a toast to the Commonwealth at Buckingham Palace banquet

Prime Minister Jacinda Ardern delivered a toast to the Commonwealth at the Queen's dinner for Commonwealth heads of government in London today.

The Buckingham Palace banquet was packed with royalty and other world leaders.

She was one of the only two Commonwealth leaders given the great honour of making a toast at the dinner. 

The other toast was being made by Ghana to the Queen.

Ms Ardern was accompanied by her partner Clarke Gayford after the couple earlier met the Queen in her sitting room at the palace.