At the time of this writing, we don't know if Marc Jacobs' show today for Louis Vuitton will be the last in his 16-year tenure as the creative leader of the incredibly powerful French brand. What we do know, however, is what Jacobs has done for Vuitton so far, which is nothing short of turning the brand into a household name with one of the most iconic logos in fashion history. He's interpreted and re-interpreted Vuitton's signature details and bags time and again for a modern audience, and recently, CR Fashion Book went behind the scenes to witness the making of the latest Louis Vuitton Speedy Bag.