Cotton Blossom Boutique in Holladay hosted the event, which also included hair and make-up services for the girls.
Emily Wong, from Skyline High, helped organize the free prom giveaway. Her inspiration came from Becca's Closet, a national organization which provided formal attire to high school students who don't have the money to buy them.
More than 100 dresses were collected from all across the valley.
"This makes me feel really happy that I have been able to have been helped, because I know wouldn't have been able to afford all the expenses that I would have for prom," said Stephanie Freeman, Hunter High student.
Watch the video clip to hear more from the organizers as well as girls who found their perfect dress.