UPDATE: You don’t have to do the competition, just log into Stardoll with a US proxy (examples of US proxy servers: webwarper.net, myproxy.ca, and so on)!
If you are from the US click here, then enter the contest
If you’re not..
1) Use a US proxy server such as:
myproxy.ca
2) Copy and paste this link into the blank URL box:
http://www.stardoll.com/en/contest/view.php?id=503
3) Hit go or press enter on the keyboard.
4) Log into Stardoll
5) Change the link in the proxy server to:
http://www.stardoll.com/en/contest/finish.php?id=503
and press go again. Wait for the new page to load.
Close the proxy server and go back to stardoll as usual.
It will be in your suite.
I found out from: thestardollinsiders.blogspot.com