Stranger Things' star Millie Bobby Brown and Jake Bongiovi announced they've adopted a baby in an emotional social media post celebrating their 'beautiful next chapter' as parents.

Millie Bobby Brown and Jake Bongiovi, son of Jon Bon Jovi, adopted their first child a year after tying the knot. 'And then there were 3,' the pair announced on Instagram.

Millie Bobby Brown and her husband, Jake Bongiovi, stepped out for the first time with their newly adopted baby girl since announcing they welcomed her into their family earlier this summer.