Not many people can show up to work in pajamas, but Marc Jacobs can. The designer has a history of wearing unexpected outfits on the red carpet. From lace dresses to kilts, he pretty much keeps his options wide open. As the new Creative Director of Diet Coke, the designer showed up to the launch party decked out in Louis Vuitton x Chapman Brothers silk PJs. Do you think he pulled off the cozy boy lounging look?