As for her health, the aide was clear that she's "She'd feeling fine, but resting". "'Oh, I'll have to give it a try, ' she said".
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Harry and Meghan greeted members of the public on the seventh day of their royal tour down under.
Kensington Palace said the couple made a decision to cut back Meghan's schedule before their visit to Fiji, Tonga and New Zealand. "The Duke will continue with the engagements on Fraser Island as planned".
On Saturday, she and Prince Harry attended the opening ceremony of the Invictus Games, which he founded in 2014.
The day will include Prince Harry meeting with local elders of the Butchulla People and National Park rangers to learn about the cultural significance of the world's largest sand island and its rich biodiversity.
"What's sad is that some time in the next year Meghan and Harry will have a baby and I'll be a grandfather", he said at the time.
Princess Anne, the Queen's second child, rejected royal titles for her children Zara Tindall and Peter Phillips, who have both kept a relatively low profile compared with their cousins, including the recently married Princess Eugenie.
Australia's Governor-General Sir Peter Cosgrove and his wife Lynne presented Harry and Meghan with a toy kangaroo and a little pair of Ugg boots for their baby, which is due in the spring.
'We want to make sure she gets enough rest. She had a very late night last night.
"I can easily see that that is one of the things I will be talking to my grandkids and future generations about".
The pair are due to visit Fiji and Tonga after Fraser Island.