Rihanna's Dazzling Oscar Night Jewelry and Fashion Choices.

Rihanna wore $2.67 million worth of Bayco diamonds to Beyoncé's Oscars afterparty, including a custom diamond belly chain worth $1.8 million. She also wore a three-row, 96-carat rose-cut diamond necklace, 12-carat floral diamond earrings, and a cushion-cut diamond ring. Rihanna had four different camera-ready looks for the Oscars, including a brown leather Alaïa look, a sparkling Maison Margiela by John Galliano look, a mint green custom Bottega Veneta, and a sequined Valentino bra top and skirt set under a hot-pink robe.