Thank you for the opportunity to help you with your question!
Imaginary audience is where an individual envisions and trusts that large numbers of individuals are excitedly listening to or watching him or her. In spite of the fact that this state is regularly displayed in youthful pre- adulthood, individuals of any age may harbor a dream of a fanciful group of onlookers.
Yes most teens have imaginary audience
Please let me know if you need any clarification. I'm always happy to answer your questions.