Prom Dress (Point Horror) by Lael Littke - Vintage Paperback

This used paperback is in "Acceptable" condition, with significant wear. 

The pretty lace dress that Robin finds in her mysterious employer's attic does not look deadly; it looks perfect for the prom. Robin cannot resist the power the dress holds over her and decides to 'borrow' it to wear to prom. But the dress has a horrifying secret and lures innocent, unsuspecting girls into an evil and terrifying nightmare.