Stardoll is a Swedish-based company with a virtual paper doll website. The company was started in 2004 and has since rocketed to significant popularity. Stardoll boasts over 100 million unique users on their site to date. Back in 2004, Stardoll was called Paperdoll Heaven. PaperdollHeaven.com is still a functioning website that is separate from the main Stardoll site. It is pretty fun, although I can't personally say how it compares to the original 2004 site. On this website, you can dress a huge number of dolls (including celebrities like Elizabeth Taylor, Justin Bieber and Milla Jovovich) or even brush and dress an animated virtual horse (my personal favorite). There's a page where you can design your own birthday cake...and this is awesome, too, but it makes me hungry.
The Stardoll website has some of the same dressing games as Paperdoll Heaven, but also has many additional features, including social clubs, shops and games that allow you to design your own clothing for the virtual dolls. I'll talk a little more about the Stardoll site in a bit.
Late last year, Mattel and Stardoll joined forces and Mattel released a line of Barbie-sized dolls modeled after the Stardoll concept. These dolls come with virtual money that can be spent on the Stardoll website. Here's the "Fallen Angel" Mattel doll: