Chris Pratt Celebrates 'Darling' Wife Katherine Schwarzenegger on Mother's Day: 'Truly a Marvel'

Pratt shares his daughters Lyla and Eloise with Schwarzenegger and is dad to son Jack, whom he shares with ex Anna Faris

<p>Axelle/Bauer-Griffin/FilmMagic; Chris Pratt/Instagam</p> Chris Pratt (L), Katherine Schwarzenegger and daughters (R)

Axelle/Bauer-Griffin/FilmMagic; Chris Pratt/Instagam

Chris Pratt (L), Katherine Schwarzenegger and daughters (R)

Katherine Schwarzenegger Pratt is celebrating Mother's Day with her loved ones.

On Sunday, May 12, Chris Pratt., 44, shared a carousel of photos on Instagram as he celebrated Schwarzenegger Pratt and his own mom Kathy on the spring holiday.

"Happy Mother’s Day to all the mamas out there! Love to my Mom Kathy who set a high bar for her love, patience, humor, and joy in motherhood. And a special thank you my darling Katherine for all you do," Pratt wrote in his caption.

"Witnessing you be a mom to Lyla and Eloise and a stepmom to Jack makes me fall more and more in love with you every day. The 24/7 job of scheduling, transporting, loving, nurturing, managing calendars, planning activities, the nutrition, the boundaries, the rules, the patience, the gentleness, the firmness, the wisdom, and grace. It’s truly a marvel," the dad of three added.

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Related: All About Katherine Schwarzenegger and Chris Pratt's Children

Pratt shares his daughters Lyla Maria, 3½, and Eloise Christina, 23 months, with Schwarzenegger Pratt. He is also dad to 11-year-old son Jack, whom he shares with ex-wife, Anna Faris.

Speaking with PEOPLE earlier this month, the Good Night, Sister author shared that her daughter Lyla Maria had a big surprise in store for Mother's Day.

"She told me that she's going to wake me up on Mother's Day by making me brownies in bed and waffles with her dad," Schwarzenegger Pratt laughed. "So we'll see how that goes over with both of the girls doing that alone with Chris."

"It'll be fun chaos [and] will be a disaster afterward, so I'll just enjoy that moment and see how that goes over, it'll be great."

While the couple typically keeps their children's faces off Instagram to keep their lives as private as possible, they do often share updates about Lyla and Eloise.

On Easter Sunday, Schwarzenegger Pratt, 34, shared a video of how she spent the holiday with the girls outdoors, writing, "Love this Easter tradition of getting the kids together for animals and easter fun but this year decked out in @rufflebutts."

Schwarzenegger Pratt has also been public about her daughters' close relationship with their grandma, Maria Shriver.

Speaking to PEOPLE in November at the launch of her Cleobella x Katherine Schwarzenegger collection, the eldest daughter of Arnold Schwarzenegger told PEOPLE: “My mom and my older daughter, Lyla, try to do everything matching. So I'm really excited as we go into this holiday season that they have another outfit to be matching in, because they are very connected in that way.”

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