Inside The Topshop/Topman 5th Avenue Flagship Opening

Last night, Beyonce, Cara Delevingne, Paris Hilton, Nicky Hilton, Lionel Richie, Anna Wintour, and Poppy Delevingne were among those at Vanderbilt Hall celebrating the Topshop/Topman 5th Avenue New York City Flagship Opening with Sir Philip and Lady Green. The star-studded event featured a performance by Nick Jonas, of which Perez Hilton Instagrammed "Nick Jonas covered #Prince and my ovaries exploded!!!!!!!" In addition, Jessie J performed her hit song, "Price Tag," which brought Cara, Hailey Baldwin, Amirah Kassem, and more to the dance floor. For more moments from the night, be sure to check out our slideshow.

Who was there: Guests included Sir Philip Green, Jessie J, Cara Delevingne, Poppy Delevingne, Lionel Richie, Hailey Baldwin, Ciara, Amirah Kassem, Lisa Parigi, Nick Jonas, Hailee Steinfeld, Nicky Hilton, Paris Hilton, Bella Hadid, Naomi Campbell, Gordon Richardson, Jacquelyn Jablonski, Jourdan Dunn, Marigay McKee, Max Irons, Perez Hilton, Tommy Hilfiger, Beyonce Knowles, Laura Love, Max Osterweis, Olivia Kim, Dee Hilfiger, Dee Ocleppo, Derek Blasberg, Harley Viera Newton, Mia Moretti, Natalie Joos, Amy Astley, Atlanta de Cadenet Taylor, Dao-Yi Chow, Julia Restoin-Roitfeld, Maxwell Osborne, Anna Wintour, Meredith Melling Burke, Peter Som, Zanna Roberts Rassi, and more.