Pratt and Faris welcomed their only child together, a son named Jack, on Aug. 2, 2012. Jack shares his name with his grandpa, Faris's father, Jack Faris.
Since separating in 2017, Faris has been open about coparenting with Chris, sharing that she'd love to spend holidays together as a family and that though they're always working toward keeping their son happy, there is a sort of bitterness that comes with coparenting.
"Chris and I work really hard [to coparent] because we have Jack. That is sort of the long-game idea and making sure Jack is really happy, which makes us really happy," Faris said on her podcast, "Unqualified," in January 2019. "We have sort of the luxury of circumstance. You know, we are both in other loving relationships, but it's like, how do you not, in general, sink into a place of bitterness?"
Jack was born nine weeks premature, so both Pratt and Faris have been passionate about spreading awareness and raising funds for organizations like March of Dimes. In a 2014 speech at the March of Dimes Celebration of Babies Hollywood Luncheon, Pratt said of his son:
"He was 3 pounds 12 ounces. That's a decent-sized bass. Very small for a human. He would need a lot. He had jaundice, so they put a blindfold on him and he slept beneath [a] creepy light and he had a PICC line, which is an IV that runs up his arm into his heart. He had a feeding tube and just wires in and out, and he lived in that incubator. That was his first crib . . . My little boy was laying across my neck and chest feeling my heartbeat and feeling my love, and I played him country music and I sang to him and I made him promises . . . in that moment . . . you know, about . . . just about what kind of dad I wanted to be, and I just prayed that he'd be here long enough and he was going to let me keep him. I've done all kinds of cool things as an actor: I've jumped out of helicopters and done some daring stunts and played baseball in a professional stadium, but none of it means anything compared to being somebody's daddy."
Pratt told People in an April 2, 2023 interview that Jack was particularly excited about his role in the "Super Mario Bros. Movie," "He saw it already and he's thrilled. He loves it." Pratt, who voices Mario in the film, added, "He took all his friends and he really freaked out."