Life is an adventure for Katherine Schwarzenegger and Chris Pratt’s three kids. And that’s thanks in part to their fun grandma, Maria Shriver! A new photo shows Shriver in full grandma mode at the lake, and it looks like a blast.

“Lake days 💙,” Schwarzenegger, who shares daughters Lyla, 5, Eloise, 3, and Ford, 10 months, with husband Chris Pratt, wrote on Instagram. In the photos of the family enjoying the sunny day out on the water on a lake in Idaho is a special moment with Shriver and one of her granddaughters.

In this photo, Shriver is in the lake, holding her granddaughter in her arms. The little girl has her arm around her grandma as Shriver looks to be taking her to a floatie tethered to the boat. A grandma who jumps into the action with her grandkids? That’s amazing!

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