Pleated Chiffon Floral Midi Dress ASTR the Label Bless DID YOU KNOW? The average price of a Prom gown is $400 $700. Basic alterations for a Prom gown are $100 $300. Formal shoes range from $50 $100 Jewelry for Prom will cost pink prom dresses, ruffle prom dresses, ball gown,puffy prom dresses, Simplepromdress Legally Blonde Elle Woods Cosplay Costume Pink Dress Halloween Outfit ACcosplay Yellow Jcpenney Plus Size Maxi Dresses Lace Yellow Tulle One Shoulder Yellow Prom Dress Gold Velvet Crystals Mermaid Ruffled Designer Plus Size Vintage Barbie pink dress I remember it cost $4, which seemed like a HUGE price at the time!