It was a big week for models, celebrities, and designers alike, with Paris Fashion Week festivities packing everyone's calendars. We caught up with some of our favorite stars through social media, and rounded up their fun-filled snaps for you to enjoy. Nicole Richie got a special sketch from Jean Paul Gaultier while Kate Moss and Marc Jacobs smooched after the Louis Vuitton runway show. Karlie Kloss shared a backstage snap while done up in Alexander McQueen's gorgeous garb, and Carine Roitfeld partied with Karl Lagerfeld at the launch for her second issue of CR Fashion Book. Alessandra Ambrosio, Candice Swanepoel, and Doutzen Kroes all hit the beach for Victoria's Secret, and Poppy Delevingne took a bike ride during a trip to Venice Beach.