Millie Bobby Brown has opened up about the “gross” sexualization she faced in Hollywood as a young teenager trying to make it big.The British actress, who was only 12 when she landed a lead role in Netflix’s smash hit “Stranger Things,” opened up about the challenges of growing up in the spotlight.Appearing on The Guilty Feminist podcast, Brown dished on how turning 18 really put things into perspective for her.“I deal with the same things any 18-year-old is dealing with, navigating being an adult and having relationships and friendships, and it’s all of those things,” she said. “Being liked and trying to fit in, it’s all a lot, and you’re trying to [know] yourself while doing that.