A pair of baby Ugg boots.
However, Kensington Palace has confirmed no changes will be made to the royals' itinerary for their first global tour as a married couple. "They said they had sought medical and advice and made a decision to go ahead with their plans".
The Duke and Duchess sought medical advice about the risk of the Zika virus on the islands of Fiji and Tonga and there will be no change to the planned schedule.
Commenting that she has "been so happy" over being pregnant.
There is now no vaccine or medication for Zika.
Their global tour also takes in Australia and New Zealand.
It's certainly been a whirlwind few days for Meghan, who announced her pregnancy on Monday morning after arriving in Australia.
Prince Harry and Meghan greeted a crowd of well-wishers outside the famed landmark.
"Their Royal Highnesses have appreciated all of the support they have received from people around the world since their wedding in May and are delighted to be able to share this happy news with the public".
Brandon Maxwell is becoming one of Meghan's go-to designers - the American fashion house was responsible for one of her most memorable style moments of the summer, when the Duchess wore a stunning yellow shift dress for a Commonwealth Youth event in London back in July.
A beaming Meghan Markle looked remarkably unfatigued by a 22-hour flight as she walked out of Sydney's airport with Prince Harry on Monday for a rest day before they officially start a 16-day tour of Australia and the South Pacific.
Australians far and wide are queuing up in the hopes of getting a glimpse of the Duke and Duchess of Sussex - and of course, the baby bump.
Prince Harry later took to the stage to address the guests, saying: "We genuinely couldn't think of a better place to announce the upcoming. err. baby, be it a boy or a girl".