Millie Bobby Brown snuck in a snap of her baby daughter, who she adopted with husband Jake Bongiovi. Earlier this year, the 21-year-old Stranger Things star and her husband, 23, wrote in a message on social media that they adopted a "sweet baby girl" together. They wrote in August: "This summer, we welcomed our sweet baby girl through adoption. We are beyond excited to embark on this beautiful next chapter of parenthood in both peace and privacy," with fans and friends rushing to the comment