Colour-coded Royal moves: Kate leaves New Zealand in Blue...

Prince William, his wife Catherine, the Duchess of Cambridge, and their son Prince George depart from the international airport in Wellington on their way to Australia accompanied by Governor General Jerry Mateparae and his wife Raewynne Mateparae. (AFP)

(AFP)

Prince William, his wife Catherine, the Duchess of Cambridge, and their son Prince George depart from the international airport in Wellington on their way to Australia. (AFP)

Prince William and his wife Catherine, the Duchess of Cambridge, hold puppies during their visit to the Royal New Zealand Police College in Wellington on the final day of their New Zealand visit. (AFP)

Prince William and his wife Catherine, the Duchess of Cambridge, hold puppies as they visit the Royal New Zealand Police College in Wellington on the final day of their New Zealand visit. (AFP)

(AFP)

Catherine, the Duchess of Cambridge, pets a police dog as she visits the Royal New Zealand Police College in Wellington. (AFP)

Catherine, the Duchess of Cambridge, visits Civic Square in Wellington. (AFP)

Prince William and his wife Catherine, the Duchess of Cambridge, visit Civic Square in Wellington. (AFP)

Catherine, the Duchess of Cambridge, signs a visitor book as she visits Civic Square in Wellington. (AFP)

Prince William and his wife Catherine, the Duchess of Cambridge, visit the Royal New Zealand Police College in Wellington on the final day of their New Zealand visit. (AFP)

Kate, the Duchess of Cambridge, waves following a walk in Civic Square in Wellington, New Zealand. (AP)

Prince William holds his son Prince George as he and his wife Catherine, the Duchess of Cambridge, depart Wellington on an Australian air force jet. (REUTERS)

Prince William and his wife Catherine, Duchess of Cambridge with their son Prince George depart Wellington on an Australian air force jet. (REUTERS)

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