The cast of Barbie may seem friendly, but they've got a competitive streak.
This is made apparent in the Kelly Clarkson Show clip above, in which Margot Robbie, Issa Rae, Kate McKinnon, and America Ferrera take each other on in a doll-focussed trivia game.
There's only one winner, but at least we all learn something about the history of dolls (and famous Dollys).
