We're well aware that the word "mellow" isn't in Solange Knowles' wardrobe vocab, but this solid canary-yellow creation packed a major punch on Bey's lil' sis. The peplum Rachel Roy gown she wore to the Met Ball was matched with metallic Edie Parker clutch, edgy Jennifer Fisher jewels, and the best accessory of all — a full head of natural curls.

Photo: Charles Sykes/Corbis