Millie Bobby Brown, at just 21, has taken a major life step. The actress welcomed a baby girl via adoption this summer.
The news was shared via Instagram, where Brown and her husband Jake Bongiovi announced, "We are beyond excited to embark on this beautiful next chapter of parenthood in both peace and privacy… And then there were 3."
Less than two weeks later, the couple offered the first glimpse of their daughter in a softly lit photo: Jake carrying a baby seat through an airport tarmac, the infant wrapped snugly and shielded from view.
The adoption took fans by surprise, not only because of the couple’s young age, but because they hid their plans from the public. It’s also led to speculation over how much the private adoption may have cost the pair.
In the U.S., private domestic adoptions generally range between $20,000 and $50,000, depending on agency fees, legal processes, and support provided to birth parents. The average cost hovers near $37,000. Moreover, adoption tax credits (up to $17,280 in the U.S. for 2025) can offset some costs.
The U.K. offers regulated, lower-cost adoption through public agencies (often free), though some administrative costs still apply.
Via Instar Images
While Millie is a U.K citizen by birth, Jake is American. It remains unclear in which state they processed their adoption. Still, it’s probably the pair spent a pretty penny on the adoption.
Celebrity children have become powerful financial assets, not because they’re monetized, but because audiences connect emotionally. Think of how Taylor Swift’s engagement with Travis Kelce drew massive attention, or how the Kardashians have turned family life into a social media goldmine. Engagement rates and brand partnerships often spike when children are part of the story.
As for the finances, Millie Bobby Brown’s estimated net worth of $14 million, which is supported by acting roles, endorsements, and her Florence by Mills beauty line. All of this gives her and her husband a comfortable cushion to absorb adoption costs. Jake, son of Jon Bon Jovi, is estimated around $1 million from acting and family ventures.
Their new family addition is likely to amplify Millie and Jake’s personal brand. A growing family could open doors to new endorsement deals, including lifestyle brands, parenting collaborations, and a richer social-media presence. Motherhood could expand her on-screen appeal and set the stage for future roles or business pivots. Or, conversely, it gives her a good reason to step away from the limelight.
With the final season of Stranger Things coming to Netflix soon, Millie is clearly embracing a new chapter in her life, and fans are here for it.