She was chosen to voice in the Darren Aronofsky-produced virtual reality experience Spheres: Songs of Spacetime. In 2018, she was named one of the 100 most influential people in the world by Time magazine, becoming the youngest person to be included in the list. In addition she was named by Time magazine as one of the most influential teens of 2017 and of 2018. That year, she become the youngest person ever to be appointed a UNICEF Goodwill Ambassador. EA Games announced that Brown collaborated with The Sims 4 programmers to feature in the Sims 4 Positivity Challenge. In 2018, The Hollywood Reporter ranked Brown as among Hollywood's top thirty stars under age eighteen.
