Millie Bobby Brown talked about looking 40, her six-minute Grease-themed wedding dance routine, shaving her head every three days for Stranger Things and having 50-plus animals at home — all while wearing Pamela Anderson’s pants.

Millie Bobby Brown is so committed to method dressing that she even does it on date night. Brown, 21, who is on a press tour for her forthcoming film The Electric State, walked the red carpet for a fan screening at The Paris Theatre in New York on Tuesday,

The actors dressed up as Sandy and Danny (and practiced for over a year!) to nail the choreography on their special day