Photo: Splash News/Corbis
After wearing a severe, awkwardly darted Stella McCartney crop top to the Met Gala, Rihanna changed into her second outfit of the night: a long, shiny, copper-toned dress, which she wore to host an after party at Up & Down. The metallic number featured a cowl neck in the front and scoop-back low enough to reveal a significant strip of butt crack, which she accessorized with a delicate gold chain draped across her tailbone.