When it comes to fashion, girls aren't the only ones who want to have fun. While the February runway shows we all fawn over are still a few weeks away, the menswear presentations just finished up in Europe and boy, was it a party. From Paris to Milan, the backstage action, celebrity sightings, and star-studded soirées were all so picture perfect, guests couldn't help but capture them on Instagram. Click through for the best moments of Men's Fashion Week 2014!