Popsugar Fashion Fashion News Top Fashion Moments in 2017 The 50 Most Unforgettable Fashion Moments of 2017 December 31, 2017 by Marina Liao First Published: November 20, 2017 View On One Page Photo 4 of 50 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 4 Michelle Obama Made Her First Major Post-White House Appearance The former first lady made her first major appearance on stage at the ESPY Awards in LA, wearing a cutout Cushnie et Ochs dress. Previous Next Start Slideshow Fashion NewsFashion TrendsBest Of 2017