If you haven't already seen the new ad image of Lara Stone (who took over from Madonna) for Louis Vuitton's Spring 2010 campaign then click here. Now feast your eyes on this video, which features Marc Jacobs taking you behind-the-scenes look at the making of the campaign. Sadly it wasn't a real forest that Lara was posing in, but rather a set... boo! Never mind, it's worth a look anyway.