Popsugar Fashion January Jones Celebrities Wearing Denim Jackets Now's the Time to Break Out Your Denim Jacket March 12, 2014 by Hannah Weil McKinley View On One Page Photo 11 of 17 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 11 Jessica Alba perfected denim on denim, adding a faded jean jacket to floral bottoms while out in LA. Previous Next Start Slideshow January JonesAmy AdamsGwen StefaniJamie ChungEmmy RossumDenim Jackets