01of 11James Whatling/MEGAOne day after the royal Fab Four stood together on the Buckingham Palace balcony duringTrooping the Colour,Princess Charlotte,Prince GeorgeandKate Middletoncame out to cheer on dadPrince Williamat the Maserati Royal Charity Polo Trophy at Beaufort Park.
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James Whatling/MEGA

One day after the royal Fab Four stood together on the Buckingham Palace balcony duringTrooping the Colour,Princess Charlotte,Prince GeorgeandKate Middletoncame out to cheer on dadPrince Williamat the Maserati Royal Charity Polo Trophy at Beaufort Park.
02of 11INSTARimages.comThe royal dad was playing to benefit the Royal Marsden cancer hospital and Centrepoint, a homeless youth charity — two organizations he regularly supports.
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INSTARimages.com

The royal dad was playing to benefit the Royal Marsden cancer hospital and Centrepoint, a homeless youth charity — two organizations he regularly supports.
03of 11SplashNews.comCharlottehad an adorable fashion moment of her own, rocking little pink sunglasses to match her sundress.
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SplashNews.com

Charlottehad an adorable fashion moment of her own, rocking little pink sunglasses to match her sundress.
04of 11PA Images/INSTARimages.comLongtime polo fanWilliam kept things going on the field, while his kids stole the show on the sidelines.
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PA Images/INSTARimages.com

Longtime polo fanWilliam kept things going on the field, while his kids stole the show on the sidelines.
05of 11SplashNews.comJoining George and Charlotte at the match wasSavannah Phillips, the 7-year-old daughter of William’s cousinsPeter and Autumn Phillips.
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Joining George and Charlotte at the match wasSavannah Phillips, the 7-year-old daughter of William’s cousinsPeter and Autumn Phillips.
06of 11SplashNews.comThough she’s on maternity leave until the fall after welcoming sonPrince Louison April 23, Kate watched the kids and rooted for her husband while wearing an a casual (and affordable!) striped blue sundress fromZara.
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Though she’s on maternity leave until the fall after welcoming sonPrince Louison April 23, Kate watched the kids and rooted for her husband while wearing an a casual (and affordable!) striped blue sundress fromZara.
07of 11SplashNews.comGeorge and Charlotte charmingly ran around the field.
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George and Charlotte charmingly ran around the field.
08of 11SplashNews.comNever off mom duty, Kate tended toGeorgeas he played around.
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Never off mom duty, Kate tended toGeorgeas he played around.
09of 11Antony Jones/Getty ImagesKate, wearing a pair of neutral espadrilles, saw some action, too, and sprang to her feet at the end of the match.
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Antony Jones/Getty Images

Kate, wearing a pair of neutral espadrilles, saw some action, too, and sprang to her feet at the end of the match.
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The mother of three raced towards William to congratulate his team after the game.
11of 11Mark Cuthbert/UK Press/Getty ImagesKate was aproud wifeand wanted to be sure to congratulate William after a game well played.
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Mark Cuthbert/UK Press/Getty Images

Kate was aproud wifeand wanted to be sure to congratulate William after a game well played.
source: people.com