Popsugar Fashion Sports Illustrated Serena Williams Dress at Sports Illustrated Ceremony 2015 Right at the Last Second, Serena Williams Swooped in and Won Sexiest Dress of the Year December 16, 2015 by Sarah Wasilak View On One Page Photo 3 of 5 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 She accessorized her look with a diamond-encrusted watch and chunky black ring. Previous Next Start Slideshow Sports IllustratedRed CarpetSerena WilliamsVenus WilliamsDressesShoppingGet The LookLingerie