There's plenty of adorable action on the sidelines as the family marks the occasion at a charity polo match
Credit: Splash News Online
Updated: Sunday Jun 15, 2014 | 03:00 PM EDT
By: Alison Schwartz
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Prince William celebrates his first Father's Day in very good (and very, very cute!) company: Wife Kate and their son, Prince George, cheered him on from the sidelines Sunday at a Cirencester, Gloucestershire, charity polo match.
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