If you're not from Italy you'll need a manual proxy like:
94.32.66.71 with port 80
To visit and join the Mordimi Club: http://www.stardoll.com/en/clubs/home.php?id=2519051
and join the competition to receive the CLOAK:
http://www.stardoll.com/en/contest/finish.php?id=905
Click 'Enter Competition'.
If you like there's also a clip:
http://www.stardoll.com/en/cinema/?id=218