Normani was a vision in her plunging swan-inspired gown. This image appears in the gallery:Here’s What Hip-Hop Wore To Rihanna’s 2018 Diamond Ball 8. Normani was a vision in her plunging swan-inspired gown. Picture: Dimitrios Kambouris/Getty 18 images See the full gallery: Here’s What Hip-Hop Wore To Rihanna’s 2018 Diamond Ball