Kate is a polo pro at this point: She has been attending matches since the mid-2000s, when she and William were still just boyfriend and girlfriend. And clearly, she has been enthusiastic since the start!
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KATE & PIPPA MIDDLETON
She has even brought her sister, Pippa, along for the occasion a number of times.
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PRINCESS KATE & PRINCE GEORGE
And now, Prince George is learning how to be a polo spectator himself: He has attended two matches with his mom by his side.