That explains why the third in line to the throne is wearing the same Amaia Kids clothes — a £42 Daniel shirt and £44 Gull Shorts — as in the official portraits.
George is spending his birthday on the Caribbean island of Mustique, along with three-month-old Louis, sister Charlotte, three, and parents William and Kate.
He has come a long way since he was pictured toddling around on his first birthday, holding Charlotte on his second, getting into his stride on his third and flashing his now trademark grin on his fourth.
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1st birthday... one step at a time for the young PrinceCredit: PA:Press Association
2nd birthday... two's company - with sister Princess CharlotteCredit: PA:Press Association
3rd birthday... three 'n' easy for the third in line to the throneCredit: Reuters
4th birthday... the four-midable Prince flashes his new trademark grinCredit: Handout - Getty
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Yet he won’t get too big for his boots. Wills insisted: “We are very normal.”
Proud royal family unveil official photos of Prince Louis christening showing off the five-strong Cambridge clan for the first time
A King is born... Prince William and Kate Middleton with their newborn son at the Lindo Wing of St Mary's Hospital on July 22, 2013Credit: Getty - Contributor
Prince George cradled by his mother in the Middleton family home garden in August 2013Credit: PA:Press Association
The Duchess of Cambridge gives George a toy bilby on a 2014 royal tour of AustraliaCredit: Getty Images - Getty
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A tender moment with great-grandmother the Queen at Charlotte's christeningCredit: Rex Features
Prince George almost leaps out of his father's arms in 2015Credit: Mario Testino /Art Partner
The Cambridges as a family of four on a visit to Germany in July 2017Credit: Getty - Contributor
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