The Duchess of Sussex stepped out alongside husband Prince Harry to open a $40 million extension of the war memorial at Hyde Park in Sydney's CBD on October 20.
And the former actress made a touching nod to the Queen by sporting a black fascinator by iconic milliner Philip Treacy.
Fashion expert Donny Galella told New Idea that the Queen is a fan of the famous milliner along with several other members of the royal family:
"Philip Treacy does lots for all members of the Royal family
"He has a client base that includes Lady Gaga, Madonna, Beyoncé, David and Victoria Beckham, Grace Jones and Sarah Jessica Parker.
This story was first published by New Idea