Last night, Hollywood crashed the Democratic National Convention. It's not new for celebrities to come out in favor of the major presidential candidates, but between Meryl Streep, Lena Dunham, America Ferrera, and Demi Lovato the night before, Hillary Clinton's line-up has been notably star-studded.

And that's before you even factor in Bill or Michelle.

But if that's not enough, it seems like all the celebrities ever got together to make the above video, Our Fight Song, to back the country's first ever female presidential nominee.

Watch it. One point for every celebrity you can name.

Then you can check your answers here.