The Duke and Duchess of Sussex will tour Australia, New Zealand and the Pacific for 76 official royal engagements in just over two weeks.
Meghan also spent time getting to know William and Kate's eldest children Prince George and Princess Charlotte in the run-up to her engagement, and was living nearby at Kensington Palace when the family celebrated the arrival of Prince Louis.
They attended the Invictus Games a year ago in Toronto together as their first public appearance as a couple.
After sailing Sydney Harbour and visiting the famous Bondi Beach, attending functions at Prince Harry's Invictus Games competitions for wounded soldiers and meeting Australian Prime Minister Scott Morrison, they jet off to Fiji on October 23.
Britain's Prince Harry and Meghan, the Duke and Duchess of Sussex, attend the annual WellChild Awards ceremony the Royal Lancaster Hotel in London, Britain September 4, 2018.
And as the happy couple arrived in Australia on Sunday for their first official tour since they got married, Meghan oddly carried purple folders in front of her stomach, with many people quickly putting two and two together.
Meghan is expected to speak several times on the trip in contrast to the Duchess of Cambridge, who did not make her first public speech until a year after her wedding.
Meghan nailed "travel chic" with slim-fitting black trousers, a black top, and long black and burgundy coat.
The tour coincides with the Invictus Games in Sydney which start on Saturday.
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Around half an hour after leaving the airport, the Duke and Duchess of Sussex arrived at Admiralty House in Kirribilli.
"And when she met Harry she spoke about how much she loved him and so there has to be a child in the making somewhere soon".
Meghan and Harry were driven to Admiralty House.
In Australia, they will pet a koala in a Sydney zoo, visit the drought-stricken Outback town of Dubbo and meet indigenous leaders on Fraser Island, the world's largest sand island, in northeastern Queensland state.