I think this is available in all countries, if not - inform me in the comments, I'll update the post.
1. Log in to Stardoll
2. Go to this page:
3. Scroll down till you see 2 girls with the tees
4. Click on the green marked area to get the I♥Football Tee
5. Go back to the page and click the red marked area to get the I Hate Football Tee
The tees should be in a Starplaza bag in your suite. :)