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

Millie Bobby Brown made a splash on her 21st birthday, fully embracing an under-the-sea aesthetic for the special occasion.

Millie Bobby Brown doubled down on her recent Y2K aesthetic with an epic bleach-blonde look for her 21st birthday ...

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

Millie Bobby Brown was only 11 years old when most of her fans met her in the first season of Stranger Things –– but the ...