Go to surfert.nl
type stardoll.com in the address bar at the top of the page Press Surf
Log onto your stardoll acount
On the top of the page, past this liink into the web address bar:
and press surf.
As soon as you get to the Koningdagen page (or in other words, the orange page), scroll down till you see the Doe Mee button.
Go back to you suite, and you get the t-shirt!
Thanks to the club Free-Stuff411 and Sabrinia624 for this cheat!