LOS ANGELES — Millie Bobby Brown and Jake Bongiovi have started a family, welcoming their first child a year after they tied the knot.

"Stranger Things" star Brown and Bongiovi (son of singer Jon Bon Jovi) announced in a joint Instagram post shared Thursday that they had adopted "our sweet baby girl" over the summer. The young pair — Brown is 21 and Bongiovi is 23 — did not share additional information about their little one. Their post also featured a drawing of a willow tree.

"We are beyond excited to embark on this beautiful next chapter of parenthood in both peace and privacy," the couple said, adding, "And then there were 3."

Brown, who famously broke out in 2016 for her portrayal of the telekinetic Eleven in Netflix's "Stranger Things," has hit a number of personal milestones in the time between the series' fourth season in 2022 and its fifth and final chapter, which will touch down later this year.

The British "Enola Holmes" and "Electric State" actor reportedly struck up a romance with fellow actor Bongiovi over social media in 2021, and they got engaged in April 2023. A year later, Bon Jovi confirmed rumors about his son and Brown's wedding, telling BBC's "The One Show" it was an intimate affair and that his son "is as happy as can be."

The couple also had a second ceremony in Tuscany in September, according to Vanity Fair. Brown later confirmed her marriage to Bongiovi, sharing in October several photos from that luxurious event.

In the years since her Netflix debut, Brown has also turned her focus to her studies, other business ventures — including her makeup and clothing lines — and running her own farm in Georgia, which also serves as an animal rescue. Bongiovi, on the other hand, made his acting debut in 2024 with the film "Rockbottom" and is set to appear in the upcoming film "Poetic License," according to IMDb.

Brown enters motherhood as she prepares to close a chapter that defined most of her teen years. Netflix will release the final episodes of "Stranger Things" in three batches: the first on Nov. 26, the second on Christmas and the finale episode on New Year's Eve.

"I am nowhere near ready to leave you guys," Brown told her "Stranger Things" crew and cast in a video shared in December. "I love each and every one one of you and I'll forever carry the memories and bonds we've created together as a family."

It seems Brown will now also have the comfort of her baby girl when that grand finale comes around.

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