Well, you may not know that they also sat down to do some even more serious and important work.
That's right, they rapped. But they obviously needed a theme.
Obviously, being Hermione, Emma was all business.
While Lin brought some pretty damn 🔥 lyrics to the table.
Emma Watson and Lin-Manuel Miranda: The feminist rap duo you never knew you needed.
You can watch the incredible, probably-going-to-be-Grammy-nominated rap in full here: