Did it ever occur to you that the entire premise of beer pong is flawed? After all, why must someone get their ball in your beer instead of simply telling you to drink? Diane Keaton revolutionized this go-to party game on The Tonight Show, where she hilariously refused to follow the rules. When Fallon explained that she couldn’t drink until he made a basket in her cup, she caught the ball and downed the drink. She then dumped the basket on his head because . . . well why not?! WATCH BELOW.