You may have this but if you don't follow these steps!
If you are from Poland enter the competition by clicking HERE.
Paste in proxy bar: http://www.stardoll.com/en/contest/view.php?id=653
Log in to stardoll...
Then paste in proxy bar: http://www.stardoll.com/en/contest/finish.php?id=653
Go to stardoll as usual.
The cardigan should be in a giftbox in your suite.