As the royal family stepped off the plane at the military terminal at around 12pm local time on 7 April, the Duke and Duchess were greeted by a welcoming team and mirrored the Prince and Princess of Wales' visit in 1983.
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The Duchess of Cambridge wore red and Prince George looked pristine in white
In spite of the long-haul flight and hours spent travelling from London with a delayed arrival time due to stormy conditions, Kate, 32, looked fresh-faced and naturally radiant.
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The Duchess of Cambridge made a quick change of outfit after being spotted in a Max Mara wrap dress at Sydney airport. She stunned in a red regimental double-breasted Catherine Walker dress and coat ensemble with metallic buttons, plus a matching Gina Foster pillbox hat for her scarlet attire.
A necklace and the Queen's diamond and platinum silver fern brooch was a special touch to complete her ensemble, an emblem gift from the hosting country which was on her bucket list to visit.
What stylish Kate may wear during the tour
Prince Williams donned a purple tie and braved windy weather
Holding eight-month-old George in her arms and battling strong winds, the hands-on Kate reminded onlookers of her arrival to Mustique in January, when she joined the Middletons for their annual holiday and was pictured carrying the growing tot.
George looked as good as gold and kitted out in an adorable light jumper with detail of two royal guards on the right side at the bottom. Underneath he wore a white collared shirt, with ivory shorts which left him free to attempt wriggling from the Duchess' arms.
The royals had been travelling for long time with a delayed landing
Proud parents William and Kate showed off their little boy to the well-wishers who had gathered to greet them at the airport. The Duchess looked particularly excited to be making her first trip to New Zealand, while her husband seemed thrilled to be back in the country he last visited exactly three years ago.
Prime Minister John Key, tweeted: "The Royals have arrived in Wellington. Let's make them feel welcome, New Zealand."
Prince George tried his best to wriggle from his mother's arms
The Royals have landed in Wellington. Let’s make them very welcome, New Zealand.— John Key (@johnkeypm) April 7, 2014
"There is no hiding the enthusiasm for this visit by both The Duke and The Duchess," a spokesman for Kensington Palace has previously said. "The Duke has no doubt that his wife will fall in love with New Zealand and Australia every bit as much as he did, some years ago."
See William and Kate's three-week itinerary here
Following closely behind the royal couple was newly-employed Spanish nanny Maria Teresa Turrion Borrallo. The full-time childminder, who was trained at the prestigious Norland College, will be taking care of George throughout the trip while his parents carry out their royal duties.
The youngster appeared to be well-behaved as they left the aircraft though
It was one of the few occasions that the public were able to see baby George. While Kensington Palace identified one or two times when Prince William and Kate could bring along their son to engagements, it is expected that George will be in the safe hands of his nanny for the majority of the trip.
The royal family was accompanied by the rest of their entourage, which included Prince William's private secretary Miguel Head, Kate's private secretary Rebecca Deacon, Sir David Manning, three press officers, a tour secretary, a personal assistant, a hairdresser and an orderly to help manage logistics.
The group had taken a special Royal New Zealand Air Force aircraft to fly to the Military Terminal in Wellington.
Before the tour abroad, the Queen had given special permission for Prince William and George to fly together as typically two heirs to the throne would not do so — the same consent she gave her son Prince Charles when he made the same trip to Australia in 1983 with a nine-month-old William and the late Princess Diana.
Prince George's nanny Maria Borrallo
On Monday afternoon, Prince William and Kate headed out to their first engagement of the tour to Wellington's Government House, where George watched proceedings from the window.
The Duke and Duchess were treated to a traditional Maori ceremonial welcome, also known as the Powhiri, where they enjoyed speeches, dancing and singing. The couple also were presented with an inspection of the Guard of Honour.