'Newsroom' actress Alison Pill and hubby Joshua Leonard welcome their first child -- see the sweet pic!

It's a girl!

Alison Pill, known for her role on HBO's The Newsroom, is the proud mother of her first child. Pill, 30, made the announcement on Friday via a sweet Instagram shot of her happy family, including actor-husband Joshua Leonard, 41, and newborn Wilder Grace Leonard, who was born just days before Thanksgiving, on Nov. 19.

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See photos of the couple together:

"So much to be thankful for. Wilder Grace Leonard, born November 19, 2016," Pill captioned the photo. "'Oh, earth, you're too wonderful for anybody to realize you. ...Do human beings ever realize life while they live it? – Every, every minute?' #thorntonwilder @thejoshualeonard."

Wilder's delighted dad shared the adorable family pic on his IG account too, because look at that precious baby's face -- how could he not?!

Pill first announced her pregnancy in July with the Bates Motel actor, whom she married in May of last year after a four-month engagement. Just 12 weeks ago, the actress posted a video of herself celebrating Madewell's "comfy dresses that can fit a pregnant belly."

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A few months later, while promoting her newest film, Miss Sloane, Pill joked about balancing work with impending motherhood: "When you're an inch from 37 weeks pregnant and you're pretending your brain still works enough to do interviews for a smarty pants political thriller..."

In October, Olivia Wilde and Jason Sudeikis welcomed a baby girl of their own. Meet Daisy Josephine Sudeikis in the video below: