Prom Dresses, 2010 Prom Dresses from 30+ designers in stock. The styles listed below are Jan's favorite styles for Prom 2010. Prom Dresses are in ample supply at Jan's 6,000 square foot superstore. Please note Jan's stocks more unique, one-of-a-kind styles than any other store in the Delaware Valley in sizes 0 thru 32. Check back weekly to this link as we add new favorite images. Jan's stocks dresses in sizes 0 thru 32, extra-small thru 3X, regular sizes, plus sizes, large sizes, womens sizes and womens petites. Stop into Jan's Boutique and find out why Jan's customers travel as far north as Massachusetts (MA), Rhode Island (RI), Connecticut (CT), New York (NY), as far west as Pennsylvania (PA), West Virginia (WV), and as far south as Virgina (VA), Washington D.C. (DC) and Maryland (MD) and Delaware (DE).