Popsugar Fashion Oscars Sexiest Dresses at Oscars 2015 25 Looks From Last Year's Oscars That Practically Reinvented the Word Sexy February 26, 2016 by Aemilia Madden View On One Page Photo 22 of 25 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 22 Petra Nemcova Petra Nemcova stunned in a shining blue Marchesa dress with a lacy top at the Vanity Fair afterparty. Previous Next Start Slideshow Red CarpetAll AnglesAward SeasonOscars