Don't be afraid about this long instruction, but I think that when you do it, you will have fun :)
If you are from the USA follow the steps below proxy, don't use proxy!
If you aren't from the USA, use a web proxy:
http://proxoin.com/
Type this into the URL bar:
http://stardoll.com/en/
Hit 'Enter' and log in to your account, type in the URL bar:
http://www.stardoll.com/en/magazine/
Hit 'Enter'. When page loads, click on the leaf with necklace (number 1 on picure below). You will be redirected to Arriety campaign page.
Type this into the URL bar:
http://www.stardoll.com/en/user/medoll.php
Hit 'Enter'. When page loads, click on the leaf with pin (number 2 on picure below). You will be redirected to Arriety campaign page.
Type this into the URL bar:
http://www.stardoll.com/en/account/
Hit 'Enter'. When page loads, click on the leaf with heart (number 3 on picure below). You will be redirected to Arriety campaign page.
Type this into the URL bar:
http://www.stardoll.com/en/user/sellItems.php
Hit 'Enter'. When page loads, click on the leaf with holdfast (number 4 on picure below). You will be redirected to Arriety campaign page.
Type this into the URL bar:
http://www.stardoll.com/en/user/album.php
Hit 'Enter'. When page loads, click on the leaf with earrings (number 5 on picure below). You will be redirected to Arriety campaign page.
If you complete all leaves, now you can leave a web proxy. Arrietty should be in your suite.