Google

http://www.thecelebritydresses.com/celebrity-red-carpet-dresses-selena-gomez-white-lace-dress-2011-mtv-ema.html (For some reason it won't let me link this to the product page url section so please refer to the link above) They make quite legitimate imitations of these dresses and overall receive very good reviews. I've been eyeing a Blake Lively dress myself for an upcoming event ;) Enjoy!

As seen in
  • dress lace short red clutch tullet skirt selena gomez white dress