PartiesAnna Wintour, Gigi Hadid, and More Celebrate Kevin Systrom and InstagramSeptember 30, 2015Save StorySave this storySave StorySave this storyExpandPhotographed by Delphine Achard1/19Kevin Systrom, Alessandro Michele, and Anna WintourExpandPhotographed by Delphine Achard2/19Vogue's Hamish Bowles and Virgil AblohExpandPhotographed by Delphine Achard3/19Phoebe Philo, Stella McCartney, and Patrick DemarchelierExpandPhotographed by Delphine Achard4/19Pat McGrathExpandPhotographed by Delphine Achard5/19Donatella Versace, Kevin Systrom, and Anthony VaccarelloTopicsParis Fashion WeekInstagramSpring 2016 Ready-to-Wear