Mum Kate was spotted keeping an eye on her seven-year-old son during the game in a sweet video captured by sports agent, Dave Gardner, in the royal box at Wembley.
The Duchess, dressed in a red Zara blazer, could be seen leaning in to speak with George in the front row.
WATCH: Kate Middleton has all eyes on Prince George during England game
George adorably matched his dad in a jacket, shirt and tie for his after-school outing, while his younger siblings, Princess Charlotte, six, and Prince Louis, three, presumably remained at their Kensington Palace home.
The Cambridges celebrated England's win
Over 25 million fans across Britain watched the 90-minute match and now some believe the victory was thanks to Prince George!
Royal and football fans alike were quick to take to social media and officially name the youngster England's "lucky charm".
The royals were seen speaking with David Beckham
The family were also joined in the stands by some of the stars that attended their 2011 wedding, including former footballer David Beckham, who was accompanied by good friends, David Gardner and Ben Winston, and his son Romeo, and Ellie Goulding, who performed ten years ago as they took to the floor for their first dance.
Other guests included Ed Sheeran and his wife Cherry Seaborn.
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