The Prima Donna Problem is a term used to describe the attitude of an individual who believes they are superior to others and expects special treatment. This term is often used to refer to someone in the entertainment industry, such as a singer or actor, who has an inflated sense of self-importance. The term is derived from the Italian phrase 'prima donna, ' which translates to 'first lady' and is used to describe the lead female singer in an opera. The crossword solution for this term is EGO, which is a Latin word meaning 'I' and is often used to refer to a person's sense of self-importance.