Chris Pratt and Katherine Schwarzenegger Welcome Baby No. 3 — and Reveal His Name: 'We Are Overjoyed'

Chris Pratt and Katherine Schwarzenegger Pratt are parents again!

The Guardians of the Galaxy star, 45, and his author wife, 34, welcomed their third baby together, son Ford Fitzgerald Schwarzenegger Pratt, on Friday, Nov. 8, announcing the exciting news in a joint Instagram post on Monday, Nov. 11.

"We are overjoyed to announce the birth of our son, Ford Fitzgerald Schwarzenegger Pratt," the proud mom wrote in her caption. "Mama and baby are doing well and Ford’s siblings are thrilled by his arrival. We feel so blessed and grateful. Love, Katherine and Chris."

Pratt and Schwarzenegger Pratt are already parents to daughters Eloise Christina, 2, and Lyla Maria, 4. The Garfield actor is also dad to son Jack, 12, whom he shares with ex Anna Faris.

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The couple has been together since 2018 when they began dating after Schwarzenegger Pratt's mom Maria Shriver set them up.

"Maria helped set them up," a source told PEOPLE at the time, adding, "It's still new."

In January 2019, Pratt announced on Instagram that he and Schwarzenegger were engaged. "Sweet Katherine, so happy you said yes!" he wrote alongside the cuddly pic. "I'm thrilled to be marrying you. Proud to live boldly in faith with you. Here we go!"

They tied the knot in June 2019 in Montecito, California in an intimate ceremony. "You can tell today is the happiest day for Katherine. She hasn't stopped smiling. And Chris seems giddy with excitement," a source said at the time.

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In August 2020, the couple welcomed daughter Lyla and in May 2022, they welcomed Eloise.

Earlier this October, Schwarzenegger Pratt shared a sweet photo of the couple's younger daughter wearing some new big sister attire on Instagram as she excitedly awaited the arrival of her family's newest addition.

The toddler could be seen rocking a pink dress, pink sneakers and a white baseball cap that read "Big Sis" in pink block letters. "Big sis loading… 🥺" the proud mom captioned her post.