To get it:
Use a Swedish proxy - proxysmart.info/ (All the others are down so if this goes tell us in a comment)
Paste http://www.stardoll.com/en/contest/view.php?id=803 into the URL
Log into Stardoll, then paste http://www.stardoll.com/en/contest/finish.php?id=803.
Log off and close the proxy, the dress will be in your suite