Answer:
Ideal self-concept
Explanation:
The concept in which an individual does not acts as according the current position and circumstances of the individual is called ideal self-concept.
Desiree, the case mentioned in the question does not have enough money and also mentioned that the girl has the desire been a high fashion person by wearing the dresses which are worn by her favorite television stars. This desire of her is motivated by ideal self-concept as she is not acting on her current circumstances.