... Arrives with bright yellow in Sydney, William and George in tow

Prince William carries his son Prince George as he arrives with his wife Catherine, the Duchess of Cambridge, at Sydney airport. (REUTERS)

Prince William reacts while carrying his son Prince George as he arrives with his wife Catherine, the Duchess of Cambridge, at Sydney airport. (REUTERS)

Prince William and his wife Catherine, the Duchess of Cambridge, arrive with their son Prince George at Sydney Airport. (REUTERS)

Lynne Cosgrove, the wife of Australia's Governor-General Peter Cosgrove, shakes hands with Britain's Prince George, being held by his mother Catherine, the Duchess of Cambridge as Britain's Prince William looks on, as they are met upon their arrival from New Zealand at Sydney airport. (AFP)

William, Catherine, the Duchess of Cambridge and their son Prince George (AFP)

Duchess of Cambridge hands Prince George over to Britain's Prince William (AFP)

(REUTERS)

(REUTERS)

Rebecca Deacon (L), the private secretary to Britain's Catherine, the Duchess of Cambridge, talks with royal nanny Maria Teresa Turrion Borrallo who holds a bag with a toy Kangaroo on it as the royal party arrive in Sydney. (REUTERS)

Catherine, Duchess of Cambridge walks around a car after arriving at Sydney Airport. (Photo by Getty Images)

Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge arrive at Sydney Airport. (Photo by Getty Images)

Catherine, Duchess of Cambridge looks out the window of a car arriving at Sydney Airport. (Photo by Getty Images)

(AP/GETTY)

(AP)

Prince William and his wife Catherine, the Duchess of Cambridge, are pictured in front of the Sydney Harbour Bridge during a reception at the Sydney Opera House. (AFP)

Prince William and his wife Catherine, the Duchess of Cambridge, walk from a reception at the Sydney Opera House. (AFP)

(AFP)

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