If you already live in the us just go to this link
and you will be directed to a Alice in Wonderland dress up contest, just change the doll and save it to ur album and you'll get the dresss for FREE.
If your not from the US then just go to
myproxy.ca and then once u get there go to the white box and paste this http://www.stardoll.com/en/contest/finish.php?id=370
in the box.
and hit enter.
And you'll be directed to the alice in wonderland contest.