Britney Spears' biopic is currently in the works, so we've all got our theories on who will star in it. '90s kids, I hope you're sitting down: a Britney Spears biopic is officially happening. It's going to be directed by Jon M. Chu , who also directed Wicked , and it'll be based on Britney's memoir, The Woman In Me — which essentially details her rise to stardom and major controversies. So basically, we already know the movie will be exceptional. But that poses a BIG question: who will play