Oh my gosh! This might be my favourite game from now on.
Polyvore gives you a huge variety of clothes & accessories which you can combine together and create thousands of outfits. Now all these should just start shipping to Europe.
I often wish that I could be able to order directly from an online shop in the States but often it is not possible. I could ask friends to send me that stuff but it's a hassle.
I once heard that Old Navy is not very popular in the States but they do have some cute summer shoes and clutches that I would order in a heartbeat.