NEW YORK, NY - AUGUST 31: Millie Bobby Brown visits "The Tonight Show Starring Jimmy Fallon" at Rockefeller Center on August 31, 2016 in New York City. (Photo by Theo Wargo/Getty Images for NBC)
NEW YORK, NY - AUGUST 31: Millie Bobby Brown visits "The Tonight Show Starring Jimmy Fallon" at Rockefeller Center on August 31, 2016 in New York City. (Photo by Theo Wargo/Getty Images for NBC)