It isn’t really a fashion party until Rihanna arrives ... who looked suave in a Bottega Veneta ensemble: a navy blue jacket, pants, a white dress shirt, a maroon leather tie, and black loafers.

The navy-blue velvet gown featured a bitted bodice, sleeveless cowl neckline, and floor-grazing column skirt. She paired the 26-year-old dress with matching opera gloves and plenty of bling via a ...