You probably have a celebrity crush and it's probably Bradley Cooper. But it's weird to think that for famous people to enjoy a good celebrity crush, they have to focus their baseless romantic energy toward their own brothers and sisters in stardom. They could run into them at the grocery store. (That would never happen.) Here are 11 celebrities who revealed their own, equally famous celebrity crushes.

1. Diane Keaton has a crush on Justin Bieber.

Diane Keaton, apparent Belieber, recently toldEllen Degeneres, "I like that boy." Then Ellen surprised her by bringing out the boy himself, and Keaton lost her mind in a way that could convince even the most cynical viewer that the stunt wasn't staged.