Millie Bobby Brown Reacts to Britney Spears Fan-Casting After Going Blonde! (Exclusive)

Millie Bobby Brown chats with ET’s Denny Directo on the premiere of ‘The Electric State.’ Millie dishes on her first 12 months of marriage and reacts to Britney Spears biopic fan-castings. ‘The Electric State’ premieres March 14 on Netflix.