Hilary Duff Debuts Family Holiday Card - Which Doubled as Fun Pregnancy Announcement

"We're adding one more to this crazy bunch!" Duff's card reads

Hilary Duff is taking holiday cards to a new level.

This year, the Lizzie McGuire alum, 36, used the festive tradition to reveal that she is going to be a mom again. The upcoming arrival will be her fourth baby and her third with her husband, Matthew Koma, whom she wed in December 2019.

Duff revealed the card to her fans in an Instagram post on Tuesday. In the upload, the card is seen positioned on top of a table and reads, "So much for silent nights. Love, the Duff-Bair-Comrie Crew."

Related: All About Hilary Duff's 3 Kids (and Baby on the Way!)

The front of the card features a photo of Koma, 36, and Duff (in jammies and a silk eye mask) alongside her son Luca Cruz, 11, whom she shares with ex Mike Comrie, and daughters Banks Violet, 5, and Mae James, 2, who she shares with Koma. Luca wore navy striped pajamas and a robe (with Koma in a similar look, though his PJs were printed with panthers), and Banks and Mae wore coordinating red nightgowns — all from royals-loved brand Petite Plume.

In the back are individual shots of the kids and the message, "Buckle up Buttercups, we're adding one more to this crazy bunch!" Koma shared another fun family photo from the shoot on his Instagram page and wrote, "baby #4 is loading…"

Becoming a mom again is a Christmas gift that is perfect for Duff, as she told PEOPLE shortly after welcoming Mae James that she loves the "mayhem."

Related: Hilary Duff and Matthew Koma's Relationship Timeline

"I love when everyone's full of energy and the house is buzzing. You never know what the day is going to bring or what your kid's going to say. We're in the thick of it, and it feels good," she told PEOPLE.

Duff's ability to be a working mom is something that Koma praised while celebrating her birthday in a sweet Instagram tribute in September.

“You blow me away everyday with your ability to juggle the un-juggle-able… you do it with such ease & grace. You have an endless well of energy and patience that makes you the super-mom + super-wife you are, all while bringing your wildest dreams to earth level, then still somehow giving a s--- about our dogs at the end of the day," Koma's lengthy caption read.

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The How I Met Your Father star and her husband started the Christmas season by taking their kids to meet Santa Claus at The Grove in Los Angeles. The actress uploaded the festive photos on Instagram and wrote, "We love this time of year 🥰."

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