Fashion Week Behind-the-Scenes: Zac Posen, Victoria Beckham, and More!

New York Fashion Week isn't an exclusive affair, thanks to the celebrities and designers Tweeting fun photos from behind-the-scenes. We've rounded up our favorite shared images, from Zac Posen traveling with his poodle to Victoria Beckham admiring a NYC billboard of her famous footballer husband. Click through the gallery to see them all!

MORE FASHION WEEK:• Celebs are Fashion Week-Obsessed• Stars in Designers We Love• Designers' Ultimate Fashion Advice