these are a little more costumey them taylor swift and a lil pricey but if you like them
http://www.sequinqueen.com/home.php?cat=6
this is kina pretty
http://www.unique-vintage.com/sale-1950s-vintage-style-black-rhinestone-party-dress-p-2738.html
taylor swift also has her own line at walmart..probly cheap but worth a try
http://www.walmart.com/browse/Juniors/L-e-i/_/N-3yelZ1yzp77lZaq90Zaqce/Ne-3w4l?search_sort=+&ic=48_0&ref=181605.184557+500500.4292594625&tab_value=20308_All&catNavId=45183&waRef=+181605.184557&catNavId=45183&exp=500500.668&path=0%3A5438&search_sort=+
not sparkley..but it seems like somehting she'd wear
http://www.forever21.com/product.asp?catalog%5Fname=FOREVER21&category%5Fname=dress&product%5Fid=2075620842&Page=2&pgcount=100
http://www.forever21.com/product.asp?catalog%5Fname=FOREVER21&category%5Fname=promo%5Fpromdresses&product%5Fid=2074029885&Page=1
i cant tell if this has sparkles or not but its really pretty
http://store.delias.com/item.do?itemID=53215&categoryID=1826&sizeFilter=&colorFilter=&brandFilter=
hope i at least kinda helped!
good luck!