stage‧struck /ˈsteɪdʒstrʌk/
adjective loving to see plays, or wanting very much to become an actor
[TahlilGaran] Dictionary of Contemporary English ▲
stagestruck adj. Desirous of becoming an actor or actress; enamored of the acting profession.
Milly is so stagestruck that she waits for actresses at the stage door after each performance to get their signatures. [TahlilGaran] English Idioms Dictionary ▲