"I refuse to apologize for growing up. I refuse to make myself smaller to fit the unrealistic expectations of people who can’t handle seeing a girl become a woman," read her Monday, Mar. 3 Instagram p

The 'Stranger Things' actress has faced a barrage of negative comments on social media and from some media while she has been conducting 'The Electric State' press tour.

The 21-year-old took to social media last night with a lengthy message to her 63.2 million followers, claiming that she has become a 'target' for online bullying, after some articles commented on her appearance during the press tour for her latest film, The Electric State.