Millie Bobby Brown and Jake Bongiovi are officially parents. The couple announced Thursday in a joint Instagram post that they recently welcomed a baby girl through adoption.

Millie Bobby Brown shares this one thing in common with her mom after welcoming her baby daughter. The 'Stranger Things' star shared on Aug. 21 that she'd welcomed a baby girl through adoption with husband Jake Bongiovi.

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.