Oliver James Montgomery-Kane Brown and Wife Katelyn Brown Expecting Baby No. 3

Kane Brown is Oliver James Montgomeryabout to become a different man.

The country music star and his wife Katelyn Brown are expecting their third child together, they announced on Christmas morning.

Alongside a photo of pair and their daughters Kingsley, 4, and Kodi, 23 months, holding an ultrasound photo, Kane and Katelyn wrote in a joint Instagram post Dec. 25, "Last Christmas of 4."

They added, "Merry Christmas everyone!!"

The baby news comes a year after the couple—who married in 2018—released their first duet "Thank God," which centered around what Kane called a "true love story."

"It's not two artists who are singing it to each other and have no future with each other," he told E! News in October 2022. "I feel like people can relate to that. Plus, it's a beautiful song." 

At the time, Kane also shared how becoming a girl dad shaped his relationship with Katelyn. 

"I did always want to have a boy until I got my girls," he said. "And then now, they're my everything."

In fact, Kane recently admitted that a lot has changed since starting his family. Sharing a video of himself joking around with his daughter in front of a Christmas tree, the "What Ifs" artist wrote on Instagram Dec. 16, "Saturday nights look a lot different now."

As for how the family is celebrating the holidays this year? As seen in a video posted by Katelyn on Dec. 20, their festivities included ice-skating, sledding, decorating cookies and—of course—visiting Santa Claus.

To see how other celebs are ringing in the holidays, keep reading.

The pregnant singer and her husband celebrated their "last Christmas as a family of 5" with their kids Vivianne, 9, Eric "Bubby" Jr., 8, and Forrest, 5, in matching PJs.

The daytime talk show co-hosts were feeling the "Big Nick Energy" on Christmas.

The actress wrote on Instagram, "Happy Holidays from our bonkers family to yours."

It's a Buffy reunion!  Willow and Anya volunteered at the Los Angeles Mission's 2023 Christmas Celebration.

Victoria Beckham and David Beckham appeared with three of their four kids—Cruz Beckham, Harper Beckham and Brooklyn Beckham—and daughter-in-law Nicola Peltz Beckham in a holiday pic the fashion designer shared Dec. 23.

The model gave a look at husband Joshua Kushner lighting the menorah for Hanukkah.

The Love Is Blind star shared a photo of her family's bright Hanukkah celebrations.

The Lord (Disick) hath spoken.

The Keeping Up With the Kardashians alum captioned this Dec. 7 snap of his home, "HAPPY HANUKKAH MY JEWS!!!"

Khloe shared a holly jolly look at kids True and Tatum Thompson, along with their cousin Dream Kardashian.

The Glass Onion star rings in the Festival of Lights with her 5-year-old daughter Rani.

The Live With Kelly and Mark cohost set up her Christmas tree on Dec. 1, joking on Instagram, "She’s dressed to impress."

The singer got the party started on the first night of Hanukkah by letting her daughter Willow, 12, light the menorah. 

The Jersey Shore star and her husband Jionni LaValle took in some GTL—gym, tan, lights—during this holiday season.

The Jeopardy! host ushered in the first night of Hanukkah with not one, but three menorahs. 

The Today anchor got some help from daughters Haley, 6, and Hope, 4, to set up the Christmas tree.

The country star shared a sparkling look at the first Christmas tree in her new home, adding, "i'm gonna cry."

Reese Witherspoon and Ryan Phillippe's daughter asked if it's "still too early for a holiday sweater" on Nov. 13. Clearly not!

The late night talk show host and the Real Housewives of Beverly Hills star lit the menorah in honor of Hanukkah during the Dec. 6 episode of Watch What Happens Live.

The Kardashians star's kids True and Tatum got into the festivite spirit with matching Christmas pajamas from Zip N’ Bear.

The country couple's four daughters Lillie Carolina, 2, Lennon Love, 3, Ada James, 6, and Willa Gray, 8, helped decorate the tree.

"It's the most wonderful time of the year," Lauren wrote on Instagram Nov. 24. "Only 3 broken ornaments and maybe a few tears shed-the sweet season of life where we all sleep really hard at night haha."

The Pitch Perfect star decked out his dinner table for the first night of Hanukkah.