The Duke of Cambridge has given a speech to the Australian parliament in Canberra, praising the country as a rising "economic power house" and giving thanks for the "warmth and generosity" shown to them during their tour.
On the penultimate day, he also mentioned Prince George's love for a large wombat toy received during the trip.
ITV News' Royal Editor Tim Ewart reports:
Thought for the day from William in Oz: "The harder you work the luckier you get." http://t.co/hcsT7BeJUP
William reveals Prince George has been chewing the cuddly wombat toy he was given. No surprise there.
As Prince George's first royal tour draws to a close after 19 days down under, here's a look back at the highlights of the family's trip.
The Duke and Duchess of Cambridge showed off their street credentials at a community youth centre in Adelaide.
The Duke and Duchess of Cambridge visited the Blue Mountains of Australia, where over 100 homes were destroyed by bush fires last year.