HERE, fill in the two boxes and click Enter Competition button.
-If you're not from Portugal- Follow the steps below:
1. Go to this Portugal proxy
2. Paste the contest link into the blank box of the proxysite
3. Click Navegar or simply hit Enter on keyboard
4. Log into Stardoll
5. Fill in the two boxes with anything
6. Click Enter Competition button
7. You can now leave the proxy and go to Stardoll as usual.
The backpack should be in a Starplaza box in your suite :]