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After watching the game from inside her Mercedes G-Wagon last week, Britney Spears emerged to see Sean Preston batter up at the baseball diamond Sunday.

Jason Trawick escorted his lovely lady -- who was wearing a bright spring floral print with wedge heels -- and even bought a Coke for her to sip in the sunny Valley heat.

Meanwhile, daddy Kevin Federline gave Sean some batting tips ...

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sunglasses baseball cap Kevin Federline baseball hat coach fat overweight shorts britney spears

It appears the couple's love of soda has rubbed off on Sean! Jayden, however, found another way to cool off ...

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Adorable!