Kate Middleton, 37, revealed that her young son, five, is a huge admirer of the 37-year-old tennis star, Roger Federer - who's regularly dubbed GOAT, the greatest of all time - and has even enjoyed a knock-about on court with him at the family's Norfolk retreat.

Prince George is a big fan of Roger Federer: Kate Middleton Reveals

The Duchess shared the news while watching British player during her surprise visit to the All England Club on Tuesday.

Kate Middleton, 37
Chat: The royal apparently shared her story about George while chatting to British Fed Cup captain Anne Keothavong, right, during the royal's visit to Wimbledon on Tuesday

The tennis star is a long-time friend of the royals and Kate famously offered Federer three kisses - the traditional Swiss way of greeting someone - when she and Prince William congratulated him following his eighth Wimbledon win in 2017.

Roger Federer
Roger Federer

Roger Federer is a Swiss professional tennis player who is currently ranked world No. 3 in men's singles tennis by the Association of Tennis Professionals.

Prince George of Cambridge
Prince George of Cambridge

Prince George of Cambridge is a member of the British royal family. He is the eldest child of Prince William, Duke of Cambridge, and Catherine, Duchess of Cambridge, and third in the line of succession to the British throne behind his grandfather Prince Charles and his father.

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