But what if this could happen in real life? Even if it were just for 24 hours, who's shoes would you want to fill?
We asked 23 celebrities -- from Emma Roberts and Jesse Eisenberg to John C. Reilly and Hilary Duff -- who they would want to be for a brief moment. Their responses were, well, rather interesting. One person even wanted to try being Charlie Sheen for a day!
Click through our gallery and see for yourself.