The couple is also expected to attend a reception at the Opera House, where the Duke of Sussex will give a speech.
ET was on the ground in Australia as the duke and (glowing) duchess continue to make an impact during their two-week trek down under.
The former 'Suits' star is opening up about her humble beginnings.
The Duchess of Sussex didn't always have the glamorous job of being a royal.
The duchess' affordable sandals are so chic, but aren't exactly the queen's cup of tea.
The duchess beamed as she showed off her tummy in an elegant A-line midi on day four of the Australia tour.
The Duke and Duchess of Sussex are getting plenty of practice Down Under!
The Duchess of Sussex opened up about her remedies for sleepless nights.
The couple made a stop at the beach during day four of their royal tour in Australia.
The little boy gifted the Duchess of Sussex the necklace as she greeted crowds in Melbourne, Australia.
The duchess' frock elicited a deja vu moment with a dress that is similar to something she's worn before.
Meghan Markle and Prince Harry can't keep their hands off one another.
Score our styling tips on how to rock five types of boots like your favorite fashion-forward celebs.
Meghan Markle has another tiara to add to her collection!