paparazziPicturesRihanna Rihanna Flashes Her Butt In Backless Dress At Met Ball After Party By En Sabah Nur The Konqueror - May 7, 2014 0 225 FacebookTwitterLinkedinEmailTumblrTelegramMixVKDigg @rihanna was looking stunning at the Met Ball after party on Monday (May 5) in New York City.