Popsugar Fashion Oscars Sexiest Dresses at Oscars 2015 The 25 Sexiest Looks From 2015's Oscars 1 March, 2018 by Aemilia Madden View On One Page Photo 1 of 25 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 Rosie Huntington-Whiteley Rosie Huntington-Whiteley looked ferocious in a slinky, sparkling Alexandre Vauthier dress with side cutouts at the Vanity Fair afterparty. Previous Next Start Slideshow Celebrity FashionAll AnglesOscarsRed CarpetAward Season