If you are not from Greece:
1. Set a manual proxy like:
184.108.40.206 with port 9797
2. Go to Stardoll and log in.
3. Go to http://www.stardoll.com/en/contest/finish.php?id=605
4. Turn the manual proxy back off!
If it doesn't work try clearing your history! Or read this for further information on manual proxies!