The star has become a household name after bursting onto the scene in Stranger Things season one and her character Eleven has been through so much.
Now, with season three of the Netflix horror series taking place in summer it is set to provide Eleven and the group with different and more difficult challenges as revealed in a brand new synopsis.
The synopsis reads: “It’s 1985 in Hawkins, Indiana, and summer’s heating up. School’s out, there’s a brand new mall in town, and the Hawkins crew are on the cusp of adulthood.
“Romance blossoms and complicates the group’s dynamic, and they’ll have to figure out how to grow up without growing apart.
And if it doesn't, then I've screwed up my timing
Millie Bobby Brown on her trick
“Meanwhile, danger looms. When the town’s threatened by enemies old and new, Eleven and her friends are reminded that evil never ends; it evolves.
“Now they’ll have to band together to survive, and remember that friendship is always stronger than fear.”
One of the challenges facing Eleven will be the nose bleeds she experiences when she uses her telekinesis to move things with her mind.
Speaking on The Late Late Show with James Corden, the star revealed a huge secret to acting out those scenes.
She revealed: “You squeeze it in, and then whenever you feel it, I put my head down and I say, ‘Ok guys, everybody ready... roll camera, O,