Millie Bobby Brown turning 20 last year was already mind-blowing and a dose of reality that every child actor has to grow up ...

The "Stranger Things" actress went totally under the sea, with a themed look and cake for the milestone event.

Millie Bobby Brown can officially rent a car! The Stranger Things actor just turned 21, and celebrated her birthday during ...

Millie Bobby Brown turned 21 on February 19. The actress gained fame after the Netflix show Stranger Things, where she played ...