They traveled across the world together, hopping from Australia to Argentina and Lesotho, according to HELLO! magazine.
Reports suggest the Duke of Sussex maintains close contact with Mr Dyer, and the pair will see one another whenever Prince Harry makes the trip back across the pond from America to the UK.
And when Prince Harry and Meghan, Duchess of Sussex, welcomed their first child back in 2019, it was suggested that Mr Dyer was named one of Archie Harrison’s godparents.
In a Sunday Times article from January 2020, it was reported that Mr Dyer was one of young Archie’s godparents alongside Tiggy Pettifer, who looked after both the Duke of Sussex and Prince William as children.