'7 Little Johnstons' Star Liz Shares Bittersweet Milestone Photo of Her Baby Girl

Liz Johnston from TLC's '7 Little Johnstons'

Elizabeth "Liz" Johnson recently experienced a bittersweet milestone that plenty of first-time parents have gone through: returning to work after welcoming a baby. And the 7 Little Johnstons reflected on the big moment via social media.

On Sunday, Jan. 21, Johnston took to Instagram with the bittersweet update for her followers.

"Officially starting back work tomorrow???? ," the new mom captioned her post, which featured photos and video clips of her daughter, Leighton. "The past 2 months and 19 days with our sweet baby girl has been absolutely life-changing and nothing but amazing, being a mom is the greatest blessing ever??,"

Liz's boyfriend, Brice Bolden, popped into the comments to offer moral support. "The best mom ever!" he wrote. "Can’t wait to see what the future holds for us and our daughter??."

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Just a couple of days prior, proud grandma Amber Johnston shared a precious photo of baby Leighton on her own Instagram grid. "?? 11 weeks ?? #beinglolliandboppaisthebest," she wrote alongside a photo of her granddaughter wearing zip-up pajamas.

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In November, Liz and Bolden announced the birth of their first child with an Instagram carousel of photos and video clips.

The new parents wrote, "Leighton Drew Bolden 5lbs 10oz 19 inches long of pure sweetness?? we couldn’t be more in love you with you!!!"

Since then, Liz and Bolden have continued to share adorable updates with their followers—and hopefully, TLC viewers will get to see baby Leighton on the show, too!

Next: 'Little People, Big World' Stars Audrey and Jeremy Roloff Announce Gender of Baby No. 4