Photo: Casper Hedberg, Bloomberg News

Finally.

Everyone's favorite fast fashion retailer H&M is finally launching e-commerce in the U.S., the world's largest online market.

Don't go clicking just yet -- we'll have to wait until the end of the year before we can start impulse buying our quick hits.

"We are expanding our online and catalogue sales," said H&M CEO Karl-Johan Persson in a statement tied to the company's annual earnings report. "At the start of 2011, we are launching the new H&M Shop Online in the markets where we offer online and catalogue sales already. Around year-end we plan to start online sales in USA, the world's largest online market."

This means so many things -- we potentially won't have to camp out to get bits of the retailers' big designer collaborations, instead we will just clog up the internet with our frivilous shopping. In addition, we potentially could be holiday shopping at H&M next year without leaving our sofa (yipee!).

Check out what cool, eco-friendly things H&M is doing these days.