The Grand Duchess and the Waiter (1926)

Young millionaire, Albert Durant, poses as a waiter in order to woo an exiled Grand Duchess. She objects to the attentions of such a lowly suitor, deliberately putting him to work on the most menial tasks for her own amusement, only to find out, quite by accident, that he's a secret millionaire. She and her family vacate their rooms and disappear, embarrassed. When Durant discovers that she has fled; his ardor is by no means cooled, but is it too late?